diff --git a/pkgs/clan-cli/shell.nix b/pkgs/clan-cli/shell.nix
index 79cb983bb..39e0df814 100644
--- a/pkgs/clan-cli/shell.nix
+++ b/pkgs/clan-cli/shell.nix
@@ -16,7 +16,7 @@ let
     ]
   );
   checkScript = pkgs.writeScriptBin "check" ''
-    nix build -f . tests.check -L "$@"
+    nix build -f . tests -L "$@"
   '';
   devShell = pkgs.mkShell {
     packages = [
diff --git a/templates/python-project/shell.nix b/templates/python-project/shell.nix
index 15a941b12..8b7985030 100644
--- a/templates/python-project/shell.nix
+++ b/templates/python-project/shell.nix
@@ -14,7 +14,7 @@ let
     ]
   );
   checkScript = pkgs.writeScriptBin "check" ''
-    nix build -f . tests.check -L "$@"
+    nix build -f . tests -L "$@"
   '';
   devShell = pkgs.mkShell {
     packages = [