diff --git a/lib/webserver/esp-fs-webserver.h b/lib/webserver/esp-fs-webserver.h
index 71fd01d..a0a5b18 100644
--- a/lib/webserver/esp-fs-webserver.h
+++ b/lib/webserver/esp-fs-webserver.h
@@ -195,10 +195,10 @@ class FSWebServer
         if (hidden)
             key += "-hidden";
 
-        // Univoque key name
+        // Unique key name
         if (key.equals("param-box"))
         {
-            key += numOptions;
+            key = key + "-" + val;
         }
         if (key.equals("raw-javascript"))
         {