diff --git a/protonmail/docker-compose.yml b/protonmail/docker-compose.yml
index 4c461ae..6af097c 100644
--- a/protonmail/docker-compose.yml
+++ b/protonmail/docker-compose.yml
@@ -9,3 +9,4 @@ services:
     ports:
       - 1025:1025
       - 1143:1143
+    tty: true