diff --git a/include/wx/univ/colschem.h b/include/wx/univ/colschem.h
index 446daa0885..451c0ed4b3 100644
--- a/include/wx/univ/colschem.h
+++ b/include/wx/univ/colschem.h
@@ -53,21 +53,24 @@ public:
         SHADOW_HIGHLIGHT,
         SHADOW_IN,
         SHADOW_OUT,
-        
+
         // the titlebar background colours for the normal and focused states
         TITLEBAR,
         TITLEBAR_ACTIVE,
-        
+
         // the titlebar text colours
         TITLEBAR_TEXT,
         TITLEBAR_ACTIVE_TEXT,
-        
+
         // the default gauge fill colour
         GAUGE,
 
         // desktop background colour (only used by framebuffer ports)
         DESKTOP,
 
+        // wxFrame's background colour
+        FRAME,
+
         MAX
     };
 
diff --git a/src/univ/colschem.cpp b/src/univ/colschem.cpp
index 074088a7ea..1408cd8377 100644
--- a/src/univ/colschem.cpp
+++ b/src/univ/colschem.cpp
@@ -65,7 +65,7 @@ wxColour wxSystemSettings::GetColour(wxSystemColour index)
         wxColourScheme::CONTROL_TEXT /* wxSYS_COLOUR_CAPTIONTEXT */,
         wxColourScheme::MAX /* wxSYS_COLOUR_ACTIVEBORDER */,
         wxColourScheme::MAX /* wxSYS_COLOUR_INACTIVEBORDER */,
-        wxColourScheme::MAX /* wxSYS_COLOUR_APPWORKSPACE */,
+        wxColourScheme::FRAME /* wxSYS_COLOUR_APPWORKSPACE */,
         wxColourScheme::HIGHLIGHT /* wxSYS_COLOUR_HIGHLIGHT */,
         wxColourScheme::HIGHLIGHT_TEXT /* wxSYS_COLOUR_HIGHLIGHTTEXT */,
         wxColourScheme::CONTROL /* wxSYS_COLOUR_BTNFACE */,
diff --git a/src/univ/themes/gtk.cpp b/src/univ/themes/gtk.cpp
index 837923645f..42fd5a4bf0 100644
--- a/src/univ/themes/gtk.cpp
+++ b/src/univ/themes/gtk.cpp
@@ -679,6 +679,7 @@ wxColour wxGTKColourScheme::Get(wxGTKColourScheme::StdColour col) const
 {
     switch ( col )
     {
+        case FRAME:
         case WINDOW:            return *wxWHITE;
 
         case SHADOW_DARK:       return *wxBLACK;
diff --git a/src/univ/themes/mono.cpp b/src/univ/themes/mono.cpp
index 3bf18d39b2..3c6ef714ba 100644
--- a/src/univ/themes/mono.cpp
+++ b/src/univ/themes/mono.cpp
@@ -600,6 +600,7 @@ wxColour wxMonoColourScheme::Get(wxMonoColourScheme::StdColour col) const
         case TITLEBAR_ACTIVE:
         case HIGHLIGHT_TEXT:
         case DESKTOP:
+        case FRAME:
             return GetBg();
 
         case MAX:
diff --git a/src/univ/themes/win32.cpp b/src/univ/themes/win32.cpp
index 42a2efdff6..ff621a2a4d 100644
--- a/src/univ/themes/win32.cpp
+++ b/src/univ/themes/win32.cpp
@@ -1283,6 +1283,7 @@ wxColour wxWin32ColourScheme::Get(wxWin32ColourScheme::StdColour col) const
         case TITLEBAR_ACTIVE_TEXT: return wxColour(GetSysColor(COLOR_CAPTIONTEXT));
 
         case DESKTOP:           return wxColour(0x808000);
+        case FRAME:             return wxColour(GetSysColor(COLOR_APPWORKSPACE));
 #else // !__WXMSW__
         // use the standard Windows colours elsewhere
         case WINDOW:            return *wxWHITE;
@@ -1315,6 +1316,7 @@ wxColour wxWin32ColourScheme::Get(wxWin32ColourScheme::StdColour col) const
         case TITLEBAR_ACTIVE_TEXT:return *wxWHITE;
 
         case DESKTOP:           return wxColour(0x808000);
+        case FRAME:             return wxColour(0x808080);
 #endif // __WXMSW__
 
         case GAUGE:             return Get(HIGHLIGHT);