diff --git a/configure.ac b/configure.ac
index aac6fbc13..8e0fe334d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -639,6 +639,7 @@ case $host_os in
 			XQUARTZ=yes
 			XVFB=no
 			XNEST=no
+			GLX=no
 
 			COMPOSITE=no
 			DGA=no