diff --git a/src/mac/carbon/frame.cpp b/src/mac/carbon/frame.cpp
index 990ba1a514..4fe1aec422 100644
--- a/src/mac/carbon/frame.cpp
+++ b/src/mac/carbon/frame.cpp
@@ -109,6 +109,7 @@ bool wxFrame::Create(wxWindow *parent,
   MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;
   
 	m_macWindowBackgroundTheme = kThemeBrushDocumentWindowBackground ;
+	SetThemeWindowBackground( (WindowRef) m_macWindow , m_macWindowBackgroundTheme , false ) ;
 
   wxModelessWindows.Append(this);
 
diff --git a/src/mac/carbon/mdi.cpp b/src/mac/carbon/mdi.cpp
index 024c4fb6c7..94b0244562 100644
--- a/src/mac/carbon/mdi.cpp
+++ b/src/mac/carbon/mdi.cpp
@@ -244,7 +244,8 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 
   	MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;
   
-	  m_macWindowBackgroundTheme = kThemeBrushDocumentWindowBackground ;
+	m_macWindowBackgroundTheme = kThemeBrushDocumentWindowBackground ;
+	SetThemeWindowBackground( (WindowRef) m_macWindow , m_macWindowBackgroundTheme , false ) ;
 
     wxModelessWindows.Append(this);
     return FALSE;
diff --git a/src/mac/frame.cpp b/src/mac/frame.cpp
index 990ba1a514..4fe1aec422 100644
--- a/src/mac/frame.cpp
+++ b/src/mac/frame.cpp
@@ -109,6 +109,7 @@ bool wxFrame::Create(wxWindow *parent,
   MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;
   
 	m_macWindowBackgroundTheme = kThemeBrushDocumentWindowBackground ;
+	SetThemeWindowBackground( (WindowRef) m_macWindow , m_macWindowBackgroundTheme , false ) ;
 
   wxModelessWindows.Append(this);
 
diff --git a/src/mac/mdi.cpp b/src/mac/mdi.cpp
index 024c4fb6c7..94b0244562 100644
--- a/src/mac/mdi.cpp
+++ b/src/mac/mdi.cpp
@@ -244,7 +244,8 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
 
   	MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;
   
-	  m_macWindowBackgroundTheme = kThemeBrushDocumentWindowBackground ;
+	m_macWindowBackgroundTheme = kThemeBrushDocumentWindowBackground ;
+	SetThemeWindowBackground( (WindowRef) m_macWindow , m_macWindowBackgroundTheme , false ) ;
 
     wxModelessWindows.Append(this);
     return FALSE;