diff --git a/hw/kdrive/ephyr/ephyrinit.c b/hw/kdrive/ephyr/ephyrinit.c
index c33892ce0..e4ff97585 100644
--- a/hw/kdrive/ephyr/ephyrinit.c
+++ b/hw/kdrive/ephyr/ephyrinit.c
@@ -47,7 +47,9 @@ InitCard (char *name)
 void
 InitOutput (ScreenInfo *pScreenInfo, int argc, char **argv)
 {
+#ifdef GLXEXT
   noGlxExtension=TRUE;
+#endif
   KdInitOutput (pScreenInfo, argc, argv);
 }