diff --git a/config.h b/config.h
index cd1ec08..8df17ca 100644
--- a/config.h
+++ b/config.h
@@ -93,6 +93,8 @@ static const Rule rules[] = {
     //{ ""    , NULL , NULL           , 0      , 1 , 0 , 1 , -1 } ,
     {"St", NULL, NULL, 0, 0, 1, 0, -1},
     {"Firefox", NULL, NULL, 1 << 5, 0, 0, 0, -1},
+    {"Navigator", NULL, NULL, 1 << 5, 0, 0, 0, -1},
+    {"zen", NULL, NULL, 1 << 5, 0, 0, 0, -1},
     {"dragon", NULL, NULL, 0, 1, 0, 1, -1},
     {"Dragon", NULL, NULL, 0, 1, 0, 1, -1},
     {"zbar", NULL, NULL, 0, 1, 0, 1, -1},