diff --git a/polymer/eduke32/build/src/winlayer.c b/polymer/eduke32/build/src/winlayer.c
index 14c516da0..173cc5fa1 100644
--- a/polymer/eduke32/build/src/winlayer.c
+++ b/polymer/eduke32/build/src/winlayer.c
@@ -2082,6 +2082,11 @@ int32_t gettimerfreq(void)
 //  VIDEO
 //=================================================================================================
 
+// DWM stuff
+static HMODULE              hDWMApiDLL        = NULL;
+static BOOL                 bDWMApiInited     = FALSE;
+HRESULT(WINAPI *aDwmEnableComposition)(UINT);
+
 // DirectDraw objects
 static HMODULE              hDDrawDLL      = NULL;
 static LPDIRECTDRAW         lpDD           = NULL;
@@ -2134,6 +2139,28 @@ static char system_colours_saved = 0, bw_colours_set = 0;
 static int32_t setgammaramp(WORD gt[3][256]);
 static int32_t getgammaramp(WORD gt[3][256]);
 
+static void ToggleDesktopComposition(BOOL compEnable)
+{
+    if (!bDWMApiInited)
+    {
+        hDWMApiDLL = LoadLibrary("DWMAPI.DLL");
+        if (hDWMApiDLL)
+        {
+            aDwmEnableComposition = (void *)GetProcAddress(hDWMApiDLL, "DwmEnableComposition");
+        }
+        bDWMApiInited = TRUE;
+    }
+
+    if (aDwmEnableComposition)
+    {
+        aDwmEnableComposition(compEnable);
+        if (!silentvideomodeswitch)
+        {
+            initprintf("%s desktop composition.\n", (compEnable) ? "Enabling" : "Disabling");
+        }
+    }
+}
+
 //
 // checkvideomode() -- makes sure the video mode passed is legal
 //
@@ -2231,6 +2258,8 @@ int32_t setvideomode(int32_t x, int32_t y, int32_t c, int32_t fs)
         gammabrightness = 0;
     }
 
+    ToggleDesktopComposition(c < 16);
+
     if (!silentvideomodeswitch)
         initprintf("Setting video mode %dx%d (%d-bit %s)\n",
                    x,y,c, ((fs&1) ? "fullscreen" : "windowed"));