diff --git a/tmux.conf b/tmux.conf
index 070e65f..37d66fb 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -2,7 +2,7 @@
 set -g mouse on
 
 # Fix copying text inside mosh
-set -as terminal-features ',xterm-256color:clipboard'
+set -s terminal-features 'xterm-256color:clipboard'
 
 # Select next window
 bind-key Space next-window