diff --git a/.tmux.conf b/.tmux.conf
index 4d0ef4a..7f2f988 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -189,7 +189,7 @@ run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
 #
 # _uname_s=$(uname -s)
 #
-# _tmux_version=$(tmux -V | awk '{print ($2+0) * 100}')
+# _tmux_version=$(tmux -V | awk '{gsub(/[^0-9.]/, "", $2); print ($2+0) * 100}')
 #
 # _is_enabled() {
 #   [ x"$1" = x"true" ] || [ x"$1" = x"yes" ] || [ x"$1" = x"enabled" ] || [ x"$1" = x"1" ]