diff --git a/tmux.conf b/tmux.conf
index 7969582..73bd579 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -61,4 +61,4 @@ set-option -g status-right '%d %b %Y @ %k:%M'
 
 # because the new tmux is inadequate
 source-file ~/.tmux.1-8.conf # always source the 1.8 file
-if-shell 'tmux -V | grep -q "1.9\|2.0\|2.1"' "source-file ~/.tmux.1-9.conf"
+if-shell 'tmux -V | grep -q "1.9\|2.0\|2.1\|2.2"' "source-file ~/.tmux.1-9.conf"