diff --git a/zprofile b/zprofile
index 7b24140..7b917b6 100644
--- a/zprofile
+++ b/zprofile
@@ -12,7 +12,7 @@ print_heading -l 1 'Initializing login shell'
 list_tmux_sessions()
 {
     tmux_out=`tmux list-sessions 2>/dev/null`
-    [[ -z "$tmux_out" ]] && return
+    [[ -z "$tmux_out" || -n "$TMUX" ]] && return
 
     echo "You have the following active tmux sessions:"
     for session in ${(f)tmux_out}; do