1 files changed, 4 insertions, 0 deletions
diff --git a/src/mgl.h b/src/mgl.h
index 65d5f8548..e01ad6ec2 100644
--- a/src/mgl.h
+++ b/src/mgl.h
@@ -21,6 +21,9 @@
 #ifndef MGL_H
 #define MGL_H
 
+#include "main.h"
+#ifdef USE_OPENGL
+
 #define GL_GLEXT_PROTOTYPES 1
 
 #include <SDL_opengl.h>
@@ -79,3 +82,4 @@ defNameE(wglGetExtensionsString);
 #endif
 
 #endif
+#endif