diff --git a/tmux.conf b/tmux.conf
index e4f832e..b74843f 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -10,8 +10,8 @@ set -g alternate-screen on
 # command prefix
 unbind C-b
 set -g prefix C-a
-bind C-a send-prefix
-bind-key a last-window
+bind a send-prefix
+bind-key C-a last-window
 
 # basic settings
 set -g history-limit 30000