diff --git a/.tmux.conf b/.tmux.conf
index 69d04045..a8483852 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -1,3 +1,5 @@
 set -g mode-mouse on
 set -g terminal-overrides 'xterm*:smcup@:rmcup@'
+set -g prefix C-a # prefix from ctrl-b to ctrl-a
+unbind C-b # free ctrl-b to be used by programs inside tmux