diff --git a/.tmux.conf b/.tmux.conf
index 9003dfd..0942e2c 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -73,6 +73,9 @@ bind l refresh-client
 unbind '"'
 bind '"' choose-window
 
+# use Escape for entering copy mode, like screen
+bind Escape copy-mode
+
 # Rather than constraining window size to the maximum size of any client
 # connected to the *session*, constrain window size to the maximum size
 # of any client connected to *that window*. Much more reasonable.