diff --git a/flow/gl_connection.h b/flow/gl_connection.h
index 76ec31ee481613d998a3f9cea575beb4442e4fd6..16b68f6bbfa3a756ead7fca2eafb832feac5d4cf 100644
--- a/flow/gl_connection.h
+++ b/flow/gl_connection.h
@@ -11,6 +11,14 @@
 #include <string>
 #include <set>
 
+#ifdef major
+#undef major
+#endif
+
+#ifdef minor
+#undef minor
+#endif
+
 namespace flow {
 
 class GLConnection {