diff --git a/services/default.nix b/services/default.nix
index a1c868ad..3117b861 100644
--- a/services/default.nix
+++ b/services/default.nix
@@ -6,8 +6,8 @@
 }:
 {
   tests = {
-    mastodon = import ./tests/mastodon.nix { inherit pkgs; };
-    pixelfed-garage = import ./tests/pixelfed-garage.nix { inherit pkgs; };
-    peertube = import ./tests/peertube.nix { inherit pkgs; };
+    mastodon = pkgs.nixosTest ./tests/mastodon.nix;
+    pixelfed-garage = pkgs.nixosTest ./tests/pixelfed-garage.nix;
+    peertube = pkgs.nixosTest ./tests/peertube.nix;
   };
 }
diff --git a/services/tests/mastodon.nix b/services/tests/mastodon.nix
index 244f0304..f5497520 100644
--- a/services/tests/mastodon.nix
+++ b/services/tests/mastodon.nix
@@ -42,7 +42,7 @@ let
       '';
 in
 
-pkgs.nixosTest {
+{
   name = "mastodon";
 
   nodes = {
diff --git a/services/tests/peertube.nix b/services/tests/peertube.nix
index 27d79589..475c3f54 100644
--- a/services/tests/peertube.nix
+++ b/services/tests/peertube.nix
@@ -161,7 +161,7 @@ let
   '';
 in
 
-pkgs.nixosTest {
+{
   name = "peertube";
 
   nodes = {
diff --git a/services/tests/pixelfed-garage.nix b/services/tests/pixelfed-garage.nix
index 13ad1ef7..66116774 100644
--- a/services/tests/pixelfed-garage.nix
+++ b/services/tests/pixelfed-garage.nix
@@ -114,7 +114,7 @@ let
         ${seleniumQuit}'';
 
 in
-pkgs.nixosTest {
+{
   name = "test-pixelfed-garage";
 
   nodes = {