diff --git a/inception/utils/cmd.py b/inception/utils/cmd.py
index 4f7c691..5e73e1d 100644
--- a/inception/utils/cmd.py
+++ b/inception/utils/cmd.py
@@ -77,6 +77,7 @@ def ssh(uri, cmd, screen_output=False, silent=True, agent_forwarding=False):
         port = 22
     ## construct flags
     flags = ['-T']
+    flags.append('-n')   # prevent read blocking on tty (stdin)
     if silent:
         flags.append('-o StrictHostKeyChecking=no')
         flags.append('-o UserKnownHostsFile=/dev/null')