diff --git a/tests/glfwinfo.c b/tests/glfwinfo.c
index 5083bbf6..b599fcde 100644
--- a/tests/glfwinfo.c
+++ b/tests/glfwinfo.c
@@ -23,9 +23,14 @@
 //
 //========================================================================
 
-#define GLFW_INCLUDE_GLEXT
 #include <GLFW/glfw3.h>
 
+/* HACK: Explicitly include the glext.h shipping with GLFW, as this program uses
+ *       many modern symbols not provided by the versions in some development
+ *       environments (for example on OS X).
+ */
+#include <GL/glext.h>
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>