diff --git a/.tmux.conf b/.tmux.conf
index fcf4902..381931f 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -19,8 +19,8 @@ setw -g monitor-bell off
 
 set -g history-limit 10000
 
-set-hook -g pane-focus-in "run -b 'sh ~/scripts/fzf_panes.tmux update_mru_pane_ids'"
-bind -n M-w run -b 'sh ~/scripts/fzf_panes.tmux new_window'
+set-hook -g pane-focus-in "run -b 'bash ~/scripts/fzf_panes.tmux update_mru_pane_ids'"
+bind -n M-w run -b 'bash ~/scripts/fzf_panes.tmux new_window'
 
 # reload configuration
 bind r source-file ~/.tmux.conf \; display '~/.tmux.conf sourced'