diff --git a/tg/config.py b/tg/config.py
index 9b4b176..50278b5 100644
--- a/tg/config.py
+++ b/tg/config.py
@@ -76,7 +76,12 @@ else:
         os.makedirs(directory, exist_ok=True)
 
     if not PHONE:
+        print(
+            "Enter your phone number in international format (including country code)"
+        )
         PHONE = input("phone> ")
+        if not PHONE.startswith("+"):
+            PHONE = "+" + PHONE
 
     with open(CONFIG_FILE, "w") as f:
         f.write(f"PHONE = '{PHONE}'\n")