--- terminal/terminal-app.c.orig	2007-01-24 21:59:12.000000000 +0100
+++ terminal/terminal-app.c	2007-01-24 22:07:41.000000000 +0100
@@ -411,21 +411,24 @@
 
 #if GTK_CHECK_VERSION(2,10,0)
   /* check if we already checked this screen */
-  if (g_object_get_data (G_OBJECT (screen), "terminal-checked-screen") == NULL)
+  if (gdk_screen_is_composited(screen))
     {
-      /* check if we can use ARGB visual for this screen */
-      colormap = gdk_screen_get_rgba_colormap (screen);
-      if (G_LIKELY (colormap != NULL))
+      if (g_object_get_data (G_OBJECT (screen), "terminal-checked-screen") == NULL)
         {
-          /* use ARGB visual for all windows on this screen, required
-           * for real transparency with a compositing manager.
-           */
-          gdk_screen_set_default_colormap (screen, colormap);
-        }
+          /* check if we can use ARGB visual for this screen */
+          colormap = gdk_screen_get_rgba_colormap (screen);
+          if (G_LIKELY (colormap != NULL))
+            {
+              /* use ARGB visual for all windows on this screen, required
+               * for real transparency with a compositing manager.
+               */
+              gdk_screen_set_default_colormap (screen, colormap);
+            }
 
-      /* mark this screen as handled */
-      g_object_set_data (G_OBJECT (screen), "terminal-checked-screen", GINT_TO_POINTER (1));
-    }
+          /* mark this screen as handled */
+          g_object_set_data (G_OBJECT (screen), "terminal-checked-screen", GINT_TO_POINTER (1));
+        }
+      }
 #endif
 
   return screen;