diff --git a/zlogin b/zlogin
index eb6822f..007fd45 100644
--- a/zlogin
+++ b/zlogin
@@ -56,7 +56,7 @@ fi
 
 # List tmux sessions if tmux is available
 if hash tmux; then
-  TMUX_SESSION=$(tmux ls|grep -- window)
+  TMUX_SESSION=$(tmux ls 2> /dev/null|grep -- window)
   # If tmux session available and if not already inside a tmux
   if [ ${TMUX_SESSION} ] && [ -z "${TMUX}" ]; then
     printf '%b' "${MAGENTA}++++++++++++++++++++++++ ${WHITEB}Tmux session${RESET} ${MAGENTA}:++++++++++++++++++++++++${RESET}\n"