diff --git a/deps/http-parser/http_parser.c b/deps/http-parser/http_parser.c
index 203530254..b793d7011 100644
--- a/deps/http-parser/http_parser.c
+++ b/deps/http-parser/http_parser.c
@@ -451,7 +451,7 @@ parse_url_char(enum state s, const char ch)
       break;
 
     case s_req_schema:
-      if (IS_ALPHA(ch)) {
+      if (IS_ALPHA(ch) || ch == '+') {
         return s;
       }