diff --git a/src/http/ngx_http_parse.c b/src/http/ngx_http_parse.c
index d9a1dbed..7438816e 100644
--- a/src/http/ngx_http_parse.c
+++ b/src/http/ngx_http_parse.c
@@ -149,7 +149,13 @@ ngx_http_parse_request_line(ngx_http_request_t *r, ngx_buf_t *b)
                 break;
             }
 
-            if ((ch < 'A' || ch > 'Z') && ch != '_' && ch != '-') {
+            if (ch == '0') {
+                // httpg with no delegation
+                // eat the character and continue with the rest of the request
+                ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "httpg request w/o delegation");
+                r->request_start++;
+                // httpg with a delegation request would fail for an unknown method
+            } else if ((ch < 'A' || ch > 'Z') && ch != '_' && ch != '-') {
                 return NGX_HTTP_PARSE_INVALID_METHOD;
             }