diff --git a/zlogin b/zlogin
index 6d4eeb8..81b4c90 100644
--- a/zlogin
+++ b/zlogin
@@ -41,7 +41,7 @@ if [ -f ~/.ssh/config_00base ]; then
 fi
 
 # List tmux sessions if tmux is available
-if hash tmux; then
+if [ $(command -v tmux) ]; then
   TMUX_SESSION=$(tmux ls 2> /dev/null|grep -- window)
   # If tmux session available and if not already inside a tmux
   if [ ${TMUX_SESSION} ] && [ -z "${TMUX}" ]; then