diff --git a/extras/Introjucer/Source/Project/jucer_AudioPluginModule.h b/extras/Introjucer/Source/Project/jucer_AudioPluginModule.h
index a94b483277..43f4a5f2b2 100644
--- a/extras/Introjucer/Source/Project/jucer_AudioPluginModule.h
+++ b/extras/Introjucer/Source/Project/jucer_AudioPluginModule.h
@@ -52,6 +52,7 @@ namespace
     Value getPluginAUMainType (Project& project)                  { return project.getProjectValue ("pluginAUMainType"); }
     Value getPluginRTASCategory (Project& project)                { return project.getProjectValue ("pluginRTASCategory"); }
     Value getPluginRTASBypassDisabled (Project& project)          { return project.getProjectValue ("pluginRTASDisableBypass"); }
+    Value getPluginRTASMultiMonoDisabled (Project& project)       { return project.getProjectValue ("pluginRTASDisableMultiMono"); }
     Value getPluginAAXCategory (Project& project)                 { return project.getProjectValue ("pluginAAXCategory"); }
     Value getPluginAAXBypassDisabled (Project& project)           { return project.getProjectValue ("pluginAAXDisableBypass"); }
 
@@ -137,6 +138,7 @@ namespace
         flags.set ("JucePlugin_RTASManufacturerCode",        "JucePlugin_ManufacturerCode");
         flags.set ("JucePlugin_RTASProductId",               "JucePlugin_PluginCode");
         flags.set ("JucePlugin_RTASDisableBypass",           valueToBool (getPluginRTASBypassDisabled (project)));
+        flags.set ("JucePlugin_RTASDisableMultiMono",        valueToBool (getPluginRTASMultiMonoDisabled (project)));
         flags.set ("JucePlugin_AAXIdentifier",               project.getAAXIdentifier().toString());
         flags.set ("JucePlugin_AAXManufacturerCode",         "JucePlugin_ManufacturerCode");
         flags.set ("JucePlugin_AAXProductId",                "JucePlugin_PluginCode");
diff --git a/extras/audio plugin demo/JuceLibraryCode/AppConfig.h b/extras/audio plugin demo/JuceLibraryCode/AppConfig.h
index 7cdc02fb03..22276420fb 100644
--- a/extras/audio plugin demo/JuceLibraryCode/AppConfig.h	
+++ b/extras/audio plugin demo/JuceLibraryCode/AppConfig.h	
@@ -262,6 +262,9 @@
 #ifndef  JucePlugin_RTASDisableBypass
  #define JucePlugin_RTASDisableBypass      0
 #endif
+#ifndef  JucePlugin_RTASDisableMultiMono
+ #define JucePlugin_RTASDisableMultiMono   0
+#endif
 #ifndef  JucePlugin_AAXIdentifier
  #define JucePlugin_AAXIdentifier          com.yourcompany.JuceDemoPlugin
 #endif
diff --git a/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp b/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp
index 0f363f1b9c..d3ddf0867b 100644
--- a/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp
+++ b/modules/juce_audio_formats/codecs/juce_WindowsMediaAudioFormat.cpp
@@ -113,7 +113,6 @@ public:
         return S_OK;
     }
 
-
 private:
     InputStream& source;
 
@@ -160,10 +159,7 @@ public:
     ~WMAudioReader()
     {
         if (wmSyncReader != nullptr)
-        {
             wmSyncReader->Close();
-            wmSyncReader = nullptr;
-        }
     }
 
     bool readSamples (int** destSamples, int numDestChannels, int startOffsetInDestBuffer,
@@ -319,7 +315,8 @@ private:
 
 //==============================================================================
 WindowsMediaAudioFormat::WindowsMediaAudioFormat()
-    : AudioFormat (TRANS (WindowsMediaCodec::wmFormatName), StringArray (WindowsMediaCodec::extensions))
+    : AudioFormat (TRANS (WindowsMediaCodec::wmFormatName),
+                   StringArray (WindowsMediaCodec::extensions))
 {
 }
 
diff --git a/modules/juce_audio_plugin_client/RTAS/juce_RTAS_Wrapper.cpp b/modules/juce_audio_plugin_client/RTAS/juce_RTAS_Wrapper.cpp
index 6862dc001f..9b21723721 100644
--- a/modules/juce_audio_plugin_client/RTAS/juce_RTAS_Wrapper.cpp
+++ b/modules/juce_audio_plugin_client/RTAS/juce_RTAS_Wrapper.cpp
@@ -945,6 +945,10 @@ public:
             type->AddGestalt (pluginGestalt_CanBypass);
            #endif
 
+           #if JucePlugin_RTASDisableMultiMono
+            type->AddGestalt (pluginGestalt_DoesntSupportMultiMono);
+           #endif
+
             type->AddGestalt (pluginGestalt_SupportsVariableQuanta);
             type->AttachEffectProcessCreator (createNewProcess);