diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 6d7e471..9f31b53 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -56,7 +56,7 @@
 
   # Configure keymap in X11
   services.xserver.layout = "us";
-  services.xserver.xkbOptions = "eurosign:e";
+  services.xserver.xkbOptions = "eurosign:e,caps:swapescape";
 
   # Enable CUPS to print documents.
   # services.printing.enable = true;