diff --git a/src/js/proxified-containers.js b/src/js/proxified-containers.js
index d6b7a40..b52a060 100644
--- a/src/js/proxified-containers.js
+++ b/src/js/proxified-containers.js
@@ -50,6 +50,10 @@ proxifiedContainers = {
       return false;
     }
 
+    if (!matches.groups.port) {
+      matches.groups.port = 1080;
+    }
+
     if (mozillaVpnData && mozillaVpnData.mozProxyEnabled === undefined) {
       matches.groups.type = null;
     }