diff --git a/gst-libs/gst/gl/gstglapi.h b/gst-libs/gst/gl/gstglapi.h
index b9c0420367..ef0f45c323 100644
--- a/gst-libs/gst/gl/gstglapi.h
+++ b/gst-libs/gst/gl/gstglapi.h
@@ -40,7 +40,7 @@
 # else
 #  include <GL/glu.h>
 #  include <GL/gl.h>
-#  if __WIN32__
+#  if __WIN32__ || _WIN32
 #   include <GL/glext.h>
 #  endif
 # endif