diff --git a/src/juce_appframework/audio/processors/juce_AudioProcessor.cpp b/src/juce_appframework/audio/processors/juce_AudioProcessor.cpp
index 992d3b1d88..78df2a5196 100644
--- a/src/juce_appframework/audio/processors/juce_AudioProcessor.cpp
+++ b/src/juce_appframework/audio/processors/juce_AudioProcessor.cpp
@@ -131,6 +131,7 @@ void AudioProcessor::beginParameterChangeGesture (int parameterIndex)
     // This means you've called beginParameterChangeGesture twice in succession without a matching
     // call to endParameterChangeGesture. That might be fine in most hosts, but better to avoid doing it.
     jassert (! changingParams [parameterIndex]);
+    changingParams.setBit (parameterIndex);
 #endif
 
     for (int i = listeners.size(); --i >= 0;)
@@ -153,6 +154,7 @@ void AudioProcessor::endParameterChangeGesture (int parameterIndex)
     // endParameterChangeGesture. That might be fine in most hosts, but better to keep the
     // calls matched correctly.
     jassert (changingParams [parameterIndex]);
+    changingParams.clearBit (parameterIndex);
 #endif
 
     for (int i = listeners.size(); --i >= 0;)
diff --git a/src/juce_appframework/gui/components/special/juce_MidiKeyboardComponent.cpp b/src/juce_appframework/gui/components/special/juce_MidiKeyboardComponent.cpp
index a4a723214e..2323f0db79 100644
--- a/src/juce_appframework/gui/components/special/juce_MidiKeyboardComponent.cpp
+++ b/src/juce_appframework/gui/components/special/juce_MidiKeyboardComponent.cpp
@@ -699,7 +699,8 @@ void MidiKeyboardComponent::resetAnyKeysInUse()
 
 void MidiKeyboardComponent::updateNoteUnderMouse (int x, int y)
 {
-    const int newNote = (mouseDragging || isMouseOver()) ? xyToNote (x, y) : -1;
+    const int newNote = (mouseDragging || isMouseOver()) 
+                            ? xyToNote (x, y) : -1;
 
     if (noteUnderMouse != newNote)
     {