diff --git a/Modules/FindOpenGL.cmake b/Modules/FindOpenGL.cmake
index 2792b330e..b2f46dd5b 100644
--- a/Modules/FindOpenGL.cmake
+++ b/Modules/FindOpenGL.cmake
@@ -136,4 +136,7 @@ IF(OPENGL_INCLUDE_DIR)
     SET (OPENGL_INCLUDE_PATH ${OPENGL_INCLUDE_DIR})
 
   ENDIF(OPENGL_gl_LIBRARY)
+
+  SET(OPENGL_INCLUDE_PATH ${OPENGL_INCLUDE_DIR})
+
 ENDIF(OPENGL_INCLUDE_DIR)