diff --git a/src/glcontext_glx.h b/src/glcontext_glx.h
index 7b8d7441d..1a0d67be3 100644
--- a/src/glcontext_glx.h
+++ b/src/glcontext_glx.h
@@ -9,6 +9,7 @@
 #if BGFX_USE_GLX
 
 #	include <X11/Xlib.h>
+#	define GLX_GLXEXT_LEGACY
 #	include <GL/glx.h>
 
 namespace bgfx { namespace gl