diff --git a/helpers/make-firefox b/helpers/make-firefox
index 450c6f96a4030c7365880a047d828a2f8069836a..54858cdc6dc29442761294ff450ca6d3396de349 100644
--- a/helpers/make-firefox
+++ b/helpers/make-firefox
@@ -185,14 +185,12 @@ cat << EOF >> debian/config/searchplugins.conf
     {
       "name": "Trisquel",
       "include_locales": [ "*" ],
-      "exclude_locales": [],
-      "source": "en-US/trisquel.xml"
+      "engine": "trisquel"
     },
     {
       "name": "Trisquel packages",
       "include_locales": [ "*" ],
-      "exclude_locales": [],
-      "source": "en-US/trisquel-packages.xml"
+      "engine": "trisquel-packages"
     }
   ]
 }