diff --git a/install b/install
index 2b3c0cb9..9d271925 100755
--- a/install
+++ b/install
@@ -192,7 +192,7 @@ if [ -n "$TMUX_PANE" -a ${FZF_TMUX:-1} -ne 0 -a ${LINES:-40} -gt 15 ]; then
     else
       height="-l $height"
     fi
-    tmux split-window $height "source ~/.fzf.zsh; tmux send-keys -t $TMUX_PANE \"\$(__fsel)\""
+    tmux split-window $height "zsh -c 'source ~/.fzf.zsh; tmux send-keys -t $TMUX_PANE \"\$(__fsel)\"'"
   }
 else
   fzf-file-widget() {