diff --git a/flake.nix b/flake.nix
index 02d41c8..de50b4d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -64,11 +64,7 @@
         katgba = pkgs.callPackage ./package.nix { inherit craneLib rustToolchain rustTriple; };
       in {
         devShells = let
-          katgba-emu = pkgs.mkShell {
-            nativeBuildInputs = [
-              self.packages.${pkgs.system}.katgba-emu
-            ];
-          };
+          katgba-emu = import ./shell.nix { inherit self pkgs; };
         in {
           default = katgba-emu;
           inherit katgba-emu;
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..f2117c1
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,11 @@
+{pkgs, self}: let
+  inherit (pkgs) lib mkShell toilet;
+  inherit (lib.meta) getExe;
+in mkShell {
+    shellHook = ''
+      ${getExe toilet} --gay --font mono9 "katgba"
+    '';
+    nativeBuildInputs = [
+      self.packages.${pkgs.system}.katgba-emu
+    ];
+  }