diff --git a/lib/utils.js b/lib/utils.js
index f4b664ea..b7fd35c2 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -364,7 +364,7 @@ const ikeaTradfriManufacturerID = [4476];
  * @returns {the sanitized image name}
  */
 function sanitizeImageParameter(parameter) {
-    const replaceByDash = [/\?/g, /&/g, /[^a-z\d\-_./:]/gi, /[/]/gi];
+    const replaceByDash = [/\?/g, /&/g, /[^a-z\d\-_./:()+]/gi, /[/]/gi];
     let sanitized = parameter || 'illegalParameter';
     replaceByDash.forEach(r => sanitized = sanitized.replace(r, '-'));
     return sanitized;