diff --git a/lib/betawidget/widget.h b/lib/betawidget/widget.h
index 6a8ea5fbd..0819196ad 100644
--- a/lib/betawidget/widget.h
+++ b/lib/betawidget/widget.h
@@ -8,8 +8,13 @@
 
 #include <cairo.h>
 
-#include <GL/gl.h>
-#include <GL/glu.h>
+#ifdef __APPLE__
+#	include <OpenGL/gl.h>
+#	include <OpenGL/glu.h>
+#else
+#	include <GL/gl.h>
+#	include <GL/glu.h>
+#endif
 
 #include "vector.h"
 #include "geom.h"