diff --git a/.tmux.conf b/.tmux.conf
index 22da79a..270c6da 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -1,3 +1,7 @@
+# change prefix to Ctrl+a
+unbind C-b
+set -g prefix C-a
+
 # 0 is too far from ` ;)
 set -g base-index 1