diff --git a/lib/modules/GLU.pmod b/lib/modules/GLU.pmod
index 87ca0219db8a5461a5f33992890b2671e492eb37..773d878a0cc9712f624a37106732fe08e46a8cfc 100644
--- a/lib/modules/GLU.pmod
+++ b/lib/modules/GLU.pmod
@@ -1,9 +1,9 @@
 /*
- * $Id: GLU.pmod,v 1.5 1999/10/25 19:10:26 mirar Exp $
+ * $Id: GLU.pmod,v 1.6 1999/11/09 00:02:09 grubba Exp $
  *
  * GL Utilities module.
  */
-#if constant(GL)
+#if constant(GL.glGet)
 import GL;
 import Math;