diff --git a/roles/tmux/files/tmux.conf b/roles/tmux/files/tmux.conf
index 86193a6..55d12f1 100644
--- a/roles/tmux/files/tmux.conf
+++ b/roles/tmux/files/tmux.conf
@@ -2,7 +2,7 @@
 # Key bindings
 #
 unbind C-b
-set -g prefix C-Space
+set -g prefix C-a
 
 # Open new windows/panes with the path in current pane
 bind    c       new-window      -c '#{pane_current_path}'