diff --git a/pkgs/tools/misc/trash-cli/default.nix b/pkgs/tools/misc/trash-cli/default.nix
index 7ae871afc783..1f5a6c4ea4c2 100644
--- a/pkgs/tools/misc/trash-cli/default.nix
+++ b/pkgs/tools/misc/trash-cli/default.nix
@@ -28,8 +28,10 @@ python3Packages.buildPythonApplication rec {
     })
   ];
 
-  buildInputs = with python3Packages; [ nose mock ];
-
+  checkInputs = with python3Packages; [
+    nose
+    mock
+  ];
   checkPhase = "nosetests";
 
   meta = with stdenv.lib; {