diff --git a/build/macosx/platform_specific_code/juce_mac_FileChooser.mm b/build/macosx/platform_specific_code/juce_mac_FileChooser.mm
index b93e6e0e84..f0d021699a 100644
--- a/build/macosx/platform_specific_code/juce_mac_FileChooser.mm
+++ b/build/macosx/platform_specific_code/juce_mac_FileChooser.mm
@@ -84,7 +84,8 @@ static NSString* juceStringToNS (const JUCE_NAMESPACE::String& s)
             return true;
     }
 
-    return false;
+    return JUCE_NAMESPACE::File (JUCE_NAMESPACE::String::fromUTF8 ((const uint8*) filenameUTF8))
+                .isDirectory();
 }
 @end
 
diff --git a/juce_amalgamated.cpp b/juce_amalgamated.cpp
index 7aaac84e8c..84aaff3e5d 100644
--- a/juce_amalgamated.cpp
+++ b/juce_amalgamated.cpp
@@ -68770,7 +68770,10 @@ void QuickTimeMovieComponent::setSpeed (const float newSpeed)
 void QuickTimeMovieComponent::setMovieVolume (const float newVolume)
 {
     if (qtMovie != 0)
+    {
         qtMovie->PutAudioVolume (newVolume);
+        qtMovie->PutAudioMute (newVolume <= 0);
+    }
 }
 
 float QuickTimeMovieComponent::getMovieVolume() const
@@ -240377,7 +240380,7 @@ public:
         shouldDeactivateTitleBar = oldDeactivate;
     }
 
-    void textInputRequired (int x, int y)
+    void textInputRequired (int /*x*/, int /*y*/)
     {
         if (! hasCreatedCaret)
         {
@@ -255888,7 +255891,8 @@ static NSString* juceStringToNS (const JUCE_NAMESPACE::String& s)
             return true;
     }
 
-    return false;
+    return JUCE_NAMESPACE::File (JUCE_NAMESPACE::String::fromUTF8 ((const uint8*) filenameUTF8))
+                .isDirectory();
 }
 @end