diff --git a/.tmux.rc b/.tmux.rc
index 94db4a2..d70fd20 100644
--- a/.tmux.rc
+++ b/.tmux.rc
@@ -2,7 +2,7 @@ export COLOR_ACCENT="#0ca8fb"
 export COLOR_SECONDARY="#011f2a"
 export COLOR_TERTIARY="#0f63bd"
 
-if tmux list-sessions > /dev/null; then
+if tmux list-sessions > /dev/null 2>&1; then
   tmux set-environment -g COLOR_ACCENT "#0ca8fb"
   tmux set-environment -g COLOR_SECONDARY "#011f2a"
   tmux set-environment -g COLOR_TERTIARY "#0f63bd"