diff --git a/libraries/ESP8266WebServer/src/detail/RequestHandlersImpl.h b/libraries/ESP8266WebServer/src/detail/RequestHandlersImpl.h
index e9b8689c04..33895d8a7c 100644
--- a/libraries/ESP8266WebServer/src/detail/RequestHandlersImpl.h
+++ b/libraries/ESP8266WebServer/src/detail/RequestHandlersImpl.h
@@ -102,7 +102,7 @@ class StaticRequestHandler : public RequestHandler<ServerType> {
             // Append whatever follows this URI in request to get the file path.
             path += requestUri.substring(_baseUriLength);
 
-            if (!_fs.exists(path) && path.endsWith(".htm")) {
+            if (!_fs.exists(path) && path.endsWith(".htm") && _fs.exists(path + "l")) {
                 path += "l";
             }
         }