diff --git a/tests/modules/programs/atuin/default.nix b/tests/modules/programs/atuin/default.nix
index 084439469..897c0c7f0 100644
--- a/tests/modules/programs/atuin/default.nix
+++ b/tests/modules/programs/atuin/default.nix
@@ -6,5 +6,6 @@
   atuin-no-shell = ./no-shell.nix;
   atuin-zsh = ./zsh.nix;
   atuin-set-flags = ./set-flags.nix;
+  atuin-theme = ./theme.nix;
   atuin-nushell = ./nushell.nix;
 }
diff --git a/tests/modules/programs/atuin/theme.nix b/tests/modules/programs/atuin/theme.nix
new file mode 100644
index 000000000..1d1caaa37
--- /dev/null
+++ b/tests/modules/programs/atuin/theme.nix
@@ -0,0 +1,26 @@
+{
+  programs.atuin = {
+    enable = true;
+
+    themes.my-theme = {
+      theme.name = "My Theme";
+      colors = {
+        Base = "#000000";
+        Title = "#FFFFFF";
+      };
+    };
+  };
+
+  nmt.script = ''
+    assertFileContent \
+      home-files/.config/atuin/themes/my-theme.toml \
+      ${builtins.toFile "example-theme-expected.toml" ''
+        [colors]
+        Base = "#000000"
+        Title = "#FFFFFF"
+
+        [theme]
+        name = "My Theme"
+      ''}
+  '';
+}