diff --git a/sh/tmux.sh b/sh/tmux.sh
index 5285186..8c5770a 100644
--- a/sh/tmux.sh
+++ b/sh/tmux.sh
@@ -21,9 +21,11 @@ rwx_tmux_servers() {
 	local active=\"\$(rwx_tmux_server)\"
 	local ifs=\"\${IFS}\"
 	local name path text
+	local paths=\"\$(lsof -U |
+		awk \"/^tmux:.*\\(LISTEN\\)\$/ {print \\\$9}\")\"
 	IFS=\"
 \"
-	for path in \$(lsof -U | awk \"/^tmux:.*\\(LISTEN\\)\$/ {print \$9}\"); do
+	for path in \${paths}; do
 		name=\"\$(basename \"\${path}\")\"
 		if [ \"\${active}\" = \"\${name}\" ]; then
 			text=\"\${text}#[fg=green]\"