diff --git a/src/Propellor/CmdLine.hs b/src/Propellor/CmdLine.hs
index c3b792d..cbbc3e9 100644
--- a/src/Propellor/CmdLine.hs
+++ b/src/Propellor/CmdLine.hs
@@ -189,7 +189,7 @@ spin hn hst = do
   where
 	hostprivdata = show . filterPrivData hst <$> decryptPrivData
 
-	go cacheparams url privdata = withBothHandles createProcessSuccess (proc "ssh" $ cacheparams ++ [user, bootstrapcmd]) $ \(toh, fromh) -> do
+	go cacheparams url privdata = withBothHandles createProcessSuccess (proc "ssh" $ cacheparams ++ ["-t", user, bootstrapcmd]) $ \(toh, fromh) -> do
 		let finish = do
 			senddata toh "privdata" privDataMarker privdata
 			hClose toh