diff --git a/source/backend/plugin/CarlaPluginLV2.cpp b/source/backend/plugin/CarlaPluginLV2.cpp
index 9508aff32..64d3c216c 100644
--- a/source/backend/plugin/CarlaPluginLV2.cpp
+++ b/source/backend/plugin/CarlaPluginLV2.cpp
@@ -133,11 +133,11 @@ enum CarlaLv2URIDs {
     kUridTimeTicksPerBeat,
     kUridMidiEvent,
     kUridParamSampleRate,
+    kUridScaleFactor,
     kUridWindowTitle,
     kUridCarlaAtomWorkerIn,
     kUridCarlaAtomWorkerResp,
     kUridCarlaTransientWindowId,
-    kUridCarlaUiScale,
     kUridCount
 };
 
@@ -316,7 +316,7 @@ struct CarlaPluginLV2Options {
         SequenceSize,
         SampleRate,
         TransientWinId,
-        UiScale,
+        ScaleFactor,
         WindowTitle,
         Null,
         Count
@@ -374,13 +374,13 @@ struct CarlaPluginLV2Options {
         optSequenceSize.type    = kUridAtomInt;
         optSequenceSize.value   = &sequenceSize;
 
-        LV2_Options_Option& optUiScale(opts[UiScale]);
-        optUiScale.context = LV2_OPTIONS_INSTANCE;
-        optUiScale.subject = 0;
-        optUiScale.key     = kUridCarlaUiScale;
-        optUiScale.size    = sizeof(float);
-        optUiScale.type    = kUridAtomFloat;
-        optUiScale.value   = &uiScale;
+        LV2_Options_Option& optScaleFactor(opts[ScaleFactor]);
+        optScaleFactor.context = LV2_OPTIONS_INSTANCE;
+        optScaleFactor.subject = 0;
+        optScaleFactor.key     = kUridScaleFactor;
+        optScaleFactor.size    = sizeof(float);
+        optScaleFactor.type    = kUridAtomFloat;
+        optScaleFactor.value   = &uiScale;
 
         LV2_Options_Option& optSampleRate(opts[SampleRate]);
         optSampleRate.context = LV2_OPTIONS_INSTANCE;
@@ -6610,6 +6610,8 @@ private:
             return kUridMidiEvent;
         if (std::strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)
             return kUridParamSampleRate;
+        if (std::strcmp(uri, LV2_UI__scaleFactor) == 0)
+            return kUridScaleFactor;
         if (std::strcmp(uri, LV2_UI__windowTitle) == 0)
             return kUridWindowTitle;
 
@@ -6620,8 +6622,6 @@ private:
             return kUridCarlaAtomWorkerResp;
         if (std::strcmp(uri, LV2_KXSTUDIO_PROPERTIES__TransientWindowId) == 0)
             return kUridCarlaTransientWindowId;
-        if (std::strcmp(uri, "urn:carla:scale") == 0)
-            return kUridCarlaUiScale;
 
         // Custom plugin types
         return ((CarlaPluginLV2*)handle)->getCustomURID(uri);
@@ -6740,6 +6740,8 @@ private:
             return LV2_MIDI__MidiEvent;
         case kUridParamSampleRate:
             return LV2_PARAMETERS__sampleRate;
+        case kUridScaleFactor:
+            return LV2_UI__scaleFactor;
         case kUridWindowTitle:
             return LV2_UI__windowTitle;
 
@@ -6750,8 +6752,6 @@ private:
             return URI_CARLA_ATOM_WORKER_RESP;
         case kUridCarlaTransientWindowId:
             return LV2_KXSTUDIO_PROPERTIES__TransientWindowId;
-        case kUridCarlaUiScale:
-            return "urn:carla:scale";
         }
 
         // Custom plugin types
diff --git a/source/bridges-ui/CarlaBridgeFormatLV2.cpp b/source/bridges-ui/CarlaBridgeFormatLV2.cpp
index a380998eb..32cb40db3 100644
--- a/source/bridges-ui/CarlaBridgeFormatLV2.cpp
+++ b/source/bridges-ui/CarlaBridgeFormatLV2.cpp
@@ -93,11 +93,11 @@ enum CarlaLv2URIDs {
     kUridTimeTicksPerBeat,
     kUridMidiEvent,
     kUridParamSampleRate,
+    kUridScaleFactor,
     kUridWindowTitle,
     kUridCarlaAtomWorkerIn,
     kUridCarlaAtomWorkerResp,
     kUridCarlaTransientWindowId,
-    kUridCarlaUiScale,
     kUridCount
 };
 
@@ -131,7 +131,7 @@ struct Lv2PluginOptions {
     enum OptIndex {
         SampleRate,
         TransientWinId,
-        UiScale,
+        ScaleFactor,
         WindowTitle,
         Null,
         Count
@@ -155,13 +155,13 @@ struct Lv2PluginOptions {
         optSampleRate.type    = kUridAtomFloat;
         optSampleRate.value   = &sampleRate;
 
-        LV2_Options_Option& optUiScale(opts[UiScale]);
-        optUiScale.context = LV2_OPTIONS_INSTANCE;
-        optUiScale.subject = 0;
-        optUiScale.key     = kUridParamSampleRate;
-        optUiScale.size    = sizeof(float);
-        optUiScale.type    = kUridCarlaUiScale;
-        optUiScale.value   = &uiScale;
+        LV2_Options_Option& optScaleFactor(opts[ScaleFactor]);
+        optScaleFactor.context = LV2_OPTIONS_INSTANCE;
+        optScaleFactor.subject = 0;
+        optScaleFactor.key     = kUridScaleFactor;
+        optScaleFactor.size    = sizeof(float);
+        optScaleFactor.type    = kUridAtomFloat;
+        optScaleFactor.value   = &uiScale;
 
         LV2_Options_Option& optTransientWinId(opts[TransientWinId]);
         optTransientWinId.context = LV2_OPTIONS_INSTANCE;
@@ -1060,6 +1060,8 @@ private:
             return kUridMidiEvent;
         if (std::strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)
             return kUridParamSampleRate;
+        if (std::strcmp(uri, LV2_UI__scaleFactor) == 0)
+            return kUridScaleFactor;
         if (std::strcmp(uri, LV2_UI__windowTitle) == 0)
             return kUridWindowTitle;
 
@@ -1188,6 +1190,8 @@ private:
             return LV2_MIDI__MidiEvent;
         case kUridParamSampleRate:
             return LV2_PARAMETERS__sampleRate;
+        case kUridScaleFactor:
+            return LV2_UI__scaleFactor;
         case kUridWindowTitle:
             return LV2_UI__windowTitle;
 
diff --git a/source/includes/lv2/ui.h b/source/includes/lv2/ui.h
index e552e4515..406a19f1c 100644
--- a/source/includes/lv2/ui.h
+++ b/source/includes/lv2/ui.h
@@ -60,6 +60,7 @@
 #define LV2_UI__floatProtocol    LV2_UI_PREFIX "floatProtocol"     ///< http://lv2plug.in/ns/extensions/ui#floatProtocol
 #define LV2_UI__peakProtocol     LV2_UI_PREFIX "peakProtocol"      ///< http://lv2plug.in/ns/extensions/ui#peakProtocol
 #define LV2_UI__resize           LV2_UI_PREFIX "resize"            ///< http://lv2plug.in/ns/extensions/ui#resize
+#define LV2_UI__scaleFactor      LV2_UI_PREFIX "scaleFactor"       ///< http://lv2plug.in/ns/extensions/ui#scaleFactor
 #define LV2_UI__showInterface    LV2_UI_PREFIX "showInterface"     ///< http://lv2plug.in/ns/extensions/ui#showInterface
 #define LV2_UI__touch            LV2_UI_PREFIX "touch"             ///< http://lv2plug.in/ns/extensions/ui#touch
 #define LV2_UI__ui               LV2_UI_PREFIX "ui"                ///< http://lv2plug.in/ns/extensions/ui#ui