diff --git a/users/profiles/tmux.nix b/users/profiles/tmux.nix
index 336ae7b..384d9a0 100644
--- a/users/profiles/tmux.nix
+++ b/users/profiles/tmux.nix
@@ -3,5 +3,6 @@
     enable = true;
     clock24 = true;
     terminal = "screen-256color";
+    prefix = "C-Space";
   };
 }