diff --git a/video/out/gl_header_fixes.h b/video/out/gl_header_fixes.h
index 2cc3abd504..6cdb8fbebc 100644
--- a/video/out/gl_header_fixes.h
+++ b/video/out/gl_header_fixes.h
@@ -271,6 +271,12 @@
 #define GL_RGB_INTEGER                    0x8D98
 #define GL_RGBA_INTEGER                   0x8D99
 #endif
+#ifndef GL_DEBUG_SEVERITY_HIGH
+#define GL_DEBUG_SEVERITY_HIGH            0x9146
+#define GL_DEBUG_SEVERITY_MEDIUM          0x9147
+#define GL_DEBUG_SEVERITY_LOW             0x9148
+#define GL_DEBUG_SEVERITY_NOTIFICATION    0x826B
+#endif
 
 #undef MP_GET_GL_WORKAROUNDS