diff --git a/flake.nix b/flake.nix
index e4e4016f6..96e572f40 100644
--- a/flake.nix
+++ b/flake.nix
@@ -80,9 +80,7 @@
               ./modules/misc/news/create-news-entry.sh
             '';
 
-            tests = pkgs.writeShellScriptBin "tests" ''
-              exec ${pkgs.python3}/bin/python3 ${self}/tests/tests.py "$@"
-            '';
+            tests = pkgs.callPackage ./tests/package.nix { flake = self; };
 
             docs-html = docs.manual.html;
             docs-htmlOpenTool = docs.manual.htmlOpenTool;
diff --git a/tests/package.nix b/tests/package.nix
new file mode 100644
index 000000000..244a167f0
--- /dev/null
+++ b/tests/package.nix
@@ -0,0 +1,8 @@
+{
+  flake,
+  python3,
+  writeShellScriptBin,
+}:
+writeShellScriptBin "tests" ''
+  exec ${python3}/bin/python3 ${flake}/tests/tests.py "$@"
+''