diff --git a/dwss.c b/dwss.c
index 8f18283..b1e9688 100644
--- a/dwss.c
+++ b/dwss.c
@@ -37,6 +37,7 @@
 #include <gdk/gdkgl.h>
 
 #include <gtk/gtk.h>
+#include <gtk/gtkgl.h>
 
 #include "gs-theme-window.h"
 
@@ -55,6 +56,7 @@ main (int   argc,
 {
     GtkWidget *window;
     GtkWidget *drawing_area;
+    GdkGLConfig *glconfig;
 
     GtkStateType state;
 
@@ -65,7 +67,7 @@ main (int   argc,
     gtk_init_with_args (&argc, &argv,
         _("DornerWorks ScreenSaver"),
         NULL, NULL, &error);
-    gdk_gl_init(&argc, &argv);
+    gtk_gl_init(&argc, &argv);
 
 
     if (error != NULL)
@@ -84,6 +86,21 @@ main (int   argc,
 
     drawing_area = gtk_drawing_area_new ();
 
+    glconfig = gdk_gl_config_new_by_mode(
+            GDK_GL_MODE_RGB |
+            GDK_GL_MODE_DEPTH |
+            GDK_GL_MODE_DOUBLE);
+
+    if (!glconfig)
+    {
+        g_assert_not_reached();
+    }
+    if (!gtk_widget_set_gl_capability(drawing_area, glconfig, NULL, TRUE,
+                GDK_GL_RGBA_TYPE))
+    {
+        g_assert_not_reached();
+    }
+
     gtk_widget_show (drawing_area);
     gtk_container_add (GTK_CONTAINER (window), drawing_area);