diff --git a/modules/juce_audio_processors/processors/juce_GenericAudioProcessorEditor.cpp b/modules/juce_audio_processors/processors/juce_GenericAudioProcessorEditor.cpp
index 35ae131299..c94411d7b1 100644
--- a/modules/juce_audio_processors/processors/juce_GenericAudioProcessorEditor.cpp
+++ b/modules/juce_audio_processors/processors/juce_GenericAudioProcessorEditor.cpp
@@ -27,12 +27,12 @@ class ProcessorParameterPropertyComp   : public PropertyComponent,
                                          private Timer
 {
 public:
-    ProcessorParameterPropertyComp (const String& name, AudioProcessor& p, const int index_)
+    ProcessorParameterPropertyComp (const String& name, AudioProcessor& p, int paramIndex)
         : PropertyComponent (name),
           owner (p),
-          index (index_),
+          index (paramIndex),
           paramHasChanged (false),
-          slider (p, index_)
+          slider (p, paramIndex)
     {
         startTimer (100);
         addAndMakeVisible (slider);
@@ -47,7 +47,10 @@ public:
     void refresh() override
     {
         paramHasChanged = false;
-        slider.setValue (owner.getParameter (index), dontSendNotification);
+
+        if (slider.getThumbBeingDragged() < 0)
+            slider.setValue (owner.getParameter (index), dontSendNotification);
+
         slider.updateText();
     }
 
@@ -77,8 +80,7 @@ private:
     class ParamSlider  : public Slider
     {
     public:
-        ParamSlider (AudioProcessor& p, const int index_)
-            : owner (p), index (index_)
+        ParamSlider (AudioProcessor& p, int paramIndex)  : owner (p), index (paramIndex)
         {
             const int steps = owner.getParameterNumSteps (index);