diff --git a/http_parser.h b/http_parser.h
index e33c062..a816545 100644
--- a/http_parser.h
+++ b/http_parser.h
@@ -140,7 +140,7 @@ enum http_parser_type { HTTP_REQUEST, HTTP_RESPONSE, HTTP_BOTH };


 /* Flag values for http_parser.flags field */
-enum flags
+enum flags_enum
   { F_CHUNKED               = 1 << 0
   , F_CONNECTION_KEEP_ALIVE = 1 << 1
   , F_CONNECTION_CLOSE      = 1 << 2