diff --git a/freeglut/freeglut/src/freeglut_gamemode.c b/freeglut/freeglut/src/freeglut_gamemode.c
index d466156..a039d7f 100644
--- a/freeglut/freeglut/src/freeglut_gamemode.c
+++ b/freeglut/freeglut/src/freeglut_gamemode.c
@@ -437,8 +437,6 @@ int FGAPIENTRY glutEnterGameMode( void )
     fgStructure.GameModeWindow->State.Height = fgState.GameModeSize.Y;
     fgStructure.GameModeWindow->State.NeedToResize = GL_TRUE;
 
-    fgStructure.GameModeWindow->State.IsGameMode = GL_TRUE;
-
 #if TARGET_HOST_POSIX_X11
 
     /*
@@ -541,8 +539,6 @@ void FGAPIENTRY glutLeaveGameMode( void )
 
     freeglut_return_if_fail( fgStructure.GameModeWindow );
 
-    fgStructure.GameModeWindow->State.IsGameMode = GL_FALSE;
-
     fgAddToWindowDestroyList( fgStructure.GameModeWindow );
     fgStructure.GameModeWindow = NULL;
 
diff --git a/freeglut/freeglut/src/freeglut_internal.h b/freeglut/freeglut/src/freeglut_internal.h
index 572600e..878df4c 100644
--- a/freeglut/freeglut/src/freeglut_internal.h
+++ b/freeglut/freeglut/src/freeglut_internal.h
@@ -422,7 +422,6 @@ struct tagSFG_WindowState
     GLboolean       IgnoreKeyRepeat;    /* Whether to ignore key repeat.     */
     GLboolean       KeyRepeating;       /* Currently in repeat mode          */
 
-    GLboolean       IsGameMode;         /* Is this the game mode window?     */
     GLboolean       NeedToResize;       /* Do we need to resize the window?  */
 };
 
diff --git a/freeglut/freeglut/src/freeglut_main.c b/freeglut/freeglut/src/freeglut_main.c
index b4cabb3..e73be9c 100644
--- a/freeglut/freeglut/src/freeglut_main.c
+++ b/freeglut/freeglut/src/freeglut_main.c
@@ -120,7 +120,7 @@ static void fghReshapeWindow ( SFG_Window *window, int width, int height )
 
         if ( window->Parent == NULL )
         {
-            if ( ! window->IsMenu && !window->State.IsGameMode )
+            if ( ! window->IsMenu && (window != fgStructure.GameModeWindow) )
             {
                 w += GetSystemMetrics( SM_CXSIZEFRAME ) * 2;
                 h += GetSystemMetrics( SM_CYSIZEFRAME ) * 2 +