diff --git a/rc.lua b/rc.lua
index d8ed334..5debdb3 100644
--- a/rc.lua
+++ b/rc.lua
@@ -812,6 +812,10 @@ awful.rules.rules = {
       properties = { tag = "1" } },
     { rule = { class = "Pidgin" },
       properties = { tag = "+" } },
+    { rule = { class = "Telegram" },
+      properties = { tag = "+" } },
+    { rule = { class = "Viber" },
+      properties = { tag = "+" } },
     { rule = { class = "Stardict" },
       properties = { tag = "-" } },
     { rule = { class = "MPlayer" },