diff --git a/files/tmux.conf b/files/tmux.conf
index 2382680..96a055b 100644
--- a/files/tmux.conf
+++ b/files/tmux.conf
@@ -1,7 +1,8 @@
 #
 # Key bindings
 #
-bind-key C-b send-prefix
+set -g prefix C-space
+bind C-space send-prefix
 
 # Open new windows/panes with the path in current pane
 bind    c       new-window      -c '#{pane_current_path}'