diff --git a/source/backend/CarlaStandalone.cpp b/source/backend/CarlaStandalone.cpp
index 6db521453..62a8f30ce 100644
--- a/source/backend/CarlaStandalone.cpp
+++ b/source/backend/CarlaStandalone.cpp
@@ -1730,7 +1730,7 @@ void carla_set_drywet(uint pluginId, float value)
     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));
     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);
 
-    carla_debug("carla_set_drywet(%i, %f)", pluginId, value);
+    carla_debug("carla_set_drywet(%i, %f)", pluginId, static_cast<double>(value));
     return plugin->setDryWet(value, true, false);
 }
 
@@ -1741,7 +1741,7 @@ void carla_set_volume(uint pluginId, float value)
     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));
     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);
 
-    carla_debug("carla_set_volume(%i, %f)", pluginId, value);
+    carla_debug("carla_set_volume(%i, %f)", pluginId, static_cast<double>(value));
     return plugin->setVolume(value, true, false);
 }
 
@@ -1752,7 +1752,7 @@ void carla_set_balance_left(uint pluginId, float value)
     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));
     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);
 
-    carla_debug("carla_set_balance_left(%i, %f)", pluginId, value);
+    carla_debug("carla_set_balance_left(%i, %f)", pluginId, static_cast<double>(value));
     return plugin->setBalanceLeft(value, true, false);
 }
 
@@ -1763,7 +1763,7 @@ void carla_set_balance_right(uint pluginId, float value)
     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));
     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);
 
-    carla_debug("carla_set_balance_right(%i, %f)", pluginId, value);
+    carla_debug("carla_set_balance_right(%i, %f)", pluginId, static_cast<double>(value));
     return plugin->setBalanceRight(value, true, false);
 }
 
@@ -1774,7 +1774,7 @@ void carla_set_panning(uint pluginId, float value)
     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));
     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);
 
-    carla_debug("carla_set_panning(%i, %f)", pluginId, value);
+    carla_debug("carla_set_panning(%i, %f)", pluginId, static_cast<double>(value));
     return plugin->setPanning(value, true, false);
 }
 
@@ -1811,7 +1811,7 @@ void carla_set_parameter_value(uint pluginId, uint32_t parameterId, float value)
     CarlaPlugin* const plugin(gStandalone.engine->getPlugin(pluginId));
     CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,);
 
-    carla_debug("carla_set_parameter_value(%i, %i, %f)", pluginId, parameterId, value);
+    carla_debug("carla_set_parameter_value(%i, %i, %f)", pluginId, parameterId, static_cast<double>(value));
     CARLA_SAFE_ASSERT_RETURN(parameterId < plugin->getParameterCount(),);
 
     return plugin->setParameterValue(parameterId, value, true, true, false);
diff --git a/source/backend/engine/CarlaEngine.cpp b/source/backend/engine/CarlaEngine.cpp
index 9b0b0c38b..19ddc838a 100644
--- a/source/backend/engine/CarlaEngine.cpp
+++ b/source/backend/engine/CarlaEngine.cpp
@@ -1312,10 +1312,12 @@ void CarlaEngine::callback(const bool sendHost, const bool sendOsc,
 #ifdef DEBUG
     if (pData->isIdling)
         carla_stdout("CarlaEngine::callback [while idling] (%i:%s, %i, %i, %i, %i, %f, \"%s\")",
-                     action, EngineCallbackOpcode2Str(action), pluginId, value1, value2, value3, valuef, valueStr);
+                     action, EngineCallbackOpcode2Str(action), pluginId, value1, value2, value3,
+                     static_cast<double>(valuef), valueStr);
     else if (action != ENGINE_CALLBACK_IDLE && action != ENGINE_CALLBACK_NOTE_ON && action != ENGINE_CALLBACK_NOTE_OFF)
         carla_debug("CarlaEngine::callback(%i:%s, %i, %i, %i, %i, %f, \"%s\")",
-                    action, EngineCallbackOpcode2Str(action), pluginId, value1, value2, value3, valuef, valueStr);
+                    action, EngineCallbackOpcode2Str(action), pluginId, value1, value2, value3,
+                    static_cast<double>(valuef), valueStr);
 #endif
 
     if (sendHost && pData->callback != nullptr)
diff --git a/source/backend/plugin/CarlaPluginNative.cpp b/source/backend/plugin/CarlaPluginNative.cpp
index d3f161e2d..2dd705331 100644
--- a/source/backend/plugin/CarlaPluginNative.cpp
+++ b/source/backend/plugin/CarlaPluginNative.cpp
@@ -2461,7 +2461,8 @@ protected:
 
     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)
     {
-        carla_debug("CarlaPluginNative::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);
+        carla_debug("CarlaPluginNative::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)",
+                    opcode, index, value, ptr, static_cast<double>(opt));
 
         intptr_t ret = 0;
 
diff --git a/source/backend/plugin/CarlaPluginVST2.cpp b/source/backend/plugin/CarlaPluginVST2.cpp
index 38eb43838..198d30dc5 100644
--- a/source/backend/plugin/CarlaPluginVST2.cpp
+++ b/source/backend/plugin/CarlaPluginVST2.cpp
@@ -1847,7 +1847,8 @@ protected:
         CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr, 0);
 #ifdef DEBUG
         if (opcode != effIdle && opcode != effEditIdle && opcode != effProcessEvents)
-            carla_debug("CarlaPluginVST2::dispatcher(%02i:%s, %i, " P_INTPTR ", %p, %f)", opcode, vstEffectOpcode2str(opcode), index, value, ptr, opt);
+            carla_debug("CarlaPluginVST2::dispatcher(%02i:%s, %i, " P_INTPTR ", %p, %f)",
+                        opcode, vstEffectOpcode2str(opcode), index, value, ptr, static_cast<double>(opt));
 #endif
 
         try {
@@ -1859,7 +1860,8 @@ protected:
     {
 #ifdef DEBUG
         if (opcode != audioMasterGetTime)
-            carla_debug("CarlaPluginVST2::handleAudioMasterCallback(%02i:%s, %i, " P_INTPTR ", %p, %f)", opcode, vstMasterOpcode2str(opcode), index, value, ptr, opt);
+            carla_debug("CarlaPluginVST2::handleAudioMasterCallback(%02i:%s, %i, " P_INTPTR ", %p, %f)",
+                        opcode, vstMasterOpcode2str(opcode), index, value, ptr, static_cast<double>(opt));
 #endif
 
         intptr_t ret = 0;
@@ -2229,7 +2231,8 @@ protected:
 #endif
 
         default:
-            carla_debug("CarlaPluginVST2::handleAudioMasterCallback(%02i:%s, %i, " P_INTPTR ", %p, %f) UNDEF", opcode, vstMasterOpcode2str(opcode), index, value, ptr, opt);
+            carla_debug("CarlaPluginVST2::handleAudioMasterCallback(%02i:%s, %i, " P_INTPTR ", %p, %f) UNDEF",
+                        opcode, vstMasterOpcode2str(opcode), index, value, ptr, static_cast<double>(opt));
             break;
         }
 
@@ -2632,7 +2635,8 @@ private:
     {
 #if defined(DEBUG) && ! defined(CARLA_OS_WIN)
         if (opcode != audioMasterGetTime && opcode != audioMasterProcessEvents && opcode != audioMasterGetCurrentProcessLevel && opcode != audioMasterGetOutputLatency)
-            carla_debug("carla_vst_audioMasterCallback(%p, %02i:%s, %i, " P_INTPTR ", %p, %f)", effect, opcode, vstMasterOpcode2str(opcode), index, value, ptr, opt);
+            carla_debug("carla_vst_audioMasterCallback(%p, %02i:%s, %i, " P_INTPTR ", %p, %f)",
+                        effect, opcode, vstMasterOpcode2str(opcode), index, value, ptr, static_cast<double>(opt));
 #endif
 
         switch (opcode)
diff --git a/source/bridges-plugin/CarlaBridgePlugin.cpp b/source/bridges-plugin/CarlaBridgePlugin.cpp
index 9220b441f..ae10f1771 100644
--- a/source/bridges-plugin/CarlaBridgePlugin.cpp
+++ b/source/bridges-plugin/CarlaBridgePlugin.cpp
@@ -344,7 +344,7 @@ private:
     {
         carla_debug("CarlaBridgePlugin::callback(%p, %i:%s, %i, %i, %i, %i, %f, \"%s\")",
                     ptr, action, EngineCallbackOpcode2Str(action),
-                    pluginId, value1, value2, value3, valuef, valueStr);
+                    pluginId, value1, value2, value3, static_cast<double>(valuef), valueStr);
 
         // ptr must not be null
         CARLA_SAFE_ASSERT_RETURN(ptr != nullptr,);
diff --git a/source/native-plugins/audio-base.hpp b/source/native-plugins/audio-base.hpp
index 2325f2e16..cc17c7ac5 100644
--- a/source/native-plugins/audio-base.hpp
+++ b/source/native-plugins/audio-base.hpp
@@ -338,7 +338,9 @@ public:
         carla_zeroFloats(fPollTempData, fPollTempSize);
 
         {
-            carla_debug("R: poll data - reading at %li:%02li", readFrame/fPool.sampleRate/60, (readFrame/fPool.sampleRate) % 60);
+            carla_debug("R: poll data - reading at %li:%02li",
+                        readFrame/static_cast<int32_t>(fPool.sampleRate)/60,
+                        (readFrame/static_cast<int32_t>(fPool.sampleRate)) % 60);
 
             ad_seek(fFilePtr, readFrame);
             size_t i = 0;
diff --git a/source/native-plugins/midi-pattern.cpp b/source/native-plugins/midi-pattern.cpp
index 1d6dd8ecb..82aa0683c 100644
--- a/source/native-plugins/midi-pattern.cpp
+++ b/source/native-plugins/midi-pattern.cpp
@@ -363,7 +363,7 @@ protected:
 
 #ifdef DEBUG
         carla_stdout("Playing at %f :: %03X:%03i:%03i",
-                     float(double(midiEvent.time)*fTicksPerFrame),
+                     static_cast<double>(midiEvent.time)*fTicksPerFrame,
                      midiEvent.data[0], midiEvent.data[1], midiEvent.data[2]);
 #endif
 
diff --git a/source/plugin/carla-lv2.cpp b/source/plugin/carla-lv2.cpp
index b4d10ce55..74c0b39d1 100644
--- a/source/plugin/carla-lv2.cpp
+++ b/source/plugin/carla-lv2.cpp
@@ -765,7 +765,8 @@ protected:
 
     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)
     {
-        carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);
+        carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)",
+                    opcode, index, value, ptr, static_cast<double>(opt));
 
         intptr_t ret = 0;
 
diff --git a/source/plugin/carla-vst.cpp b/source/plugin/carla-vst.cpp
index fa7b74087..292962186 100644
--- a/source/plugin/carla-vst.cpp
+++ b/source/plugin/carla-vst.cpp
@@ -749,7 +749,8 @@ protected:
 
     intptr_t handleDispatcher(const NativeHostDispatcherOpcode opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt)
     {
-        carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)", opcode, index, value, ptr, opt);
+        carla_debug("NativePlugin::handleDispatcher(%i, %i, " P_INTPTR ", %p, %f)",
+                    opcode, index, value, ptr, static_cast<double>(opt));
 
         switch (opcode)
         {