diff --git a/httplib.h b/httplib.h
index c7da6ac..849d58f 100644
--- a/httplib.h
+++ b/httplib.h
@@ -4456,7 +4456,7 @@ inline bool Client::read_response_line(Stream &strm, Response &res) {
 
   if (!line_reader.getline()) { return false; }
 
-  const static std::regex re("(HTTP/1\\.[01]) (\\d+?) .*\r\n");
+  const static std::regex re("(HTTP/1\\.[01]) (\\d+).*?\r\n");
 
   std::cmatch m;
   if (std::regex_match(line_reader.ptr(), m, re)) {