diff --git a/cogl/cogl/cogl-context.c b/cogl/cogl/cogl-context.c
index c45c9b44b..70d220659 100644
--- a/cogl/cogl/cogl-context.c
+++ b/cogl/cogl/cogl-context.c
@@ -81,6 +81,19 @@
 #define GL_PURGED_CONTEXT_RESET_NV 0x92BB
 #endif
 
+/* These aren't defined in the GLES2 headers */
+#ifndef GL_GUILTY_CONTEXT_RESET_ARB
+#define GL_GUILTY_CONTEXT_RESET_ARB 0x8253
+#endif
+
+#ifndef GL_INNOCENT_CONTEXT_RESET_ARB
+#define GL_INNOCENT_CONTEXT_RESET_ARB 0x8254
+#endif
+
+#ifndef GL_UNKNOWN_CONTEXT_RESET_ARB
+#define GL_UNKNOWN_CONTEXT_RESET_ARB 0x8255
+#endif
+
 static void _cogl_context_free (CoglContext *context);
 
 COGL_OBJECT_DEFINE (Context, context);