diff --git a/src/post_modules/GLUT/top.c b/src/post_modules/GLUT/top.c
index 403ef12fb27369ffdf7ffe1e8961ab7c07a9f9a8..a67e9fb76c5b6a262f8b33002cc53b8e69e7e0b7 100644
--- a/src/post_modules/GLUT/top.c
+++ b/src/post_modules/GLUT/top.c
@@ -24,7 +24,7 @@
 #include <GLUT/glut.h>
 #else
 #ifdef HAVE_GL_GLUT_H
-#include <GLU/glut.h>
+#include <GL/glut.h>
 #endif /* HAVE_GL_GLUT_H */
 #endif /* HAVE_GLUT_GLUT_H */
 #endif /* HAVE_LIBGLUT */