diff --git a/src/mac/carbon/toplevel.cpp b/src/mac/carbon/toplevel.cpp
index 4fed48c943..90dd8057ab 100644
--- a/src/mac/carbon/toplevel.cpp
+++ b/src/mac/carbon/toplevel.cpp
@@ -137,7 +137,8 @@ static pascal OSStatus MouseEventHandler( EventHandlerCallRef handler , EventRef
 	
 	WindowRef window ;
     short windowPart = ::FindWindow(point, &window);
-    if ( windowPart == inContent )
+
+    if ( IsWindowActive(window) && windowPart == inContent )
     {
 		switch ( GetEventKind( event ) )
 		{
diff --git a/src/mac/toplevel.cpp b/src/mac/toplevel.cpp
index 4fed48c943..90dd8057ab 100644
--- a/src/mac/toplevel.cpp
+++ b/src/mac/toplevel.cpp
@@ -137,7 +137,8 @@ static pascal OSStatus MouseEventHandler( EventHandlerCallRef handler , EventRef
 	
 	WindowRef window ;
     short windowPart = ::FindWindow(point, &window);
-    if ( windowPart == inContent )
+
+    if ( IsWindowActive(window) && windowPart == inContent )
     {
 		switch ( GetEventKind( event ) )
 		{