diff --git a/source/backend/CarlaStandalone.cpp b/source/backend/CarlaStandalone.cpp
index d9151ff04..c6238b59f 100644
--- a/source/backend/CarlaStandalone.cpp
+++ b/source/backend/CarlaStandalone.cpp
@@ -1214,7 +1214,8 @@ uint32_t carla_get_current_plugin_count(CarlaHostHandle handle)
 {
     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr, 0);
 
-    carla_debug("carla_get_current_plugin_count(%p)", handle);
+    // too noisy!
+    // carla_debug("carla_get_current_plugin_count(%p)", handle);
 
     return handle->engine->getCurrentPluginCount();
 }
diff --git a/source/backend/plugin/CarlaPluginLV2.cpp b/source/backend/plugin/CarlaPluginLV2.cpp
index a3b25f127..2bdc5e3df 100644
--- a/source/backend/plugin/CarlaPluginLV2.cpp
+++ b/source/backend/plugin/CarlaPluginLV2.cpp
@@ -1587,7 +1587,7 @@ public:
         CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);
         CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);
         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);
-        carla_debug("CarlaPluginLV2::setCustomData(%s, %s, %s, %s)", type, key, value, bool2str(sendGui));
+        carla_debug("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", \"%s\", %s)", type, key, value, bool2str(sendGui));
 
         if (std::strcmp(type, CUSTOM_DATA_TYPE_PATH) == 0)
         {
diff --git a/source/backend/plugin/CarlaPluginNative.cpp b/source/backend/plugin/CarlaPluginNative.cpp
index ff797b329..ba10e7af5 100644
--- a/source/backend/plugin/CarlaPluginNative.cpp
+++ b/source/backend/plugin/CarlaPluginNative.cpp
@@ -789,7 +789,7 @@ public:
         CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);
         CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);
         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);
-        carla_debug("CarlaPluginNative::setCustomData(%s, %s, ..., %s)", type, key, bool2str(sendGui));
+        carla_debug("CarlaPluginNative::setCustomData(\"%s\", \"%s\", ..., %s)", type, key, bool2str(sendGui));
 
         if (std::strcmp(type, CUSTOM_DATA_TYPE_PROPERTY) == 0)
             return CarlaPlugin::setCustomData(type, key, value, sendGui);
@@ -801,7 +801,7 @@ public:
         }
         else if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) != 0 && std::strcmp(type, CUSTOM_DATA_TYPE_CHUNK) != 0)
         {
-            return carla_stderr2("CarlaPluginNative::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is invalid xa",
+            return carla_stderr2("CarlaPluginNative::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is invalid",
                                  type, key, value, bool2str(sendGui));
         }