diff --git a/artiq/pkgs/artiq.nix b/artiq/pkgs/artiq.nix
index 53d8c4b..26cc600 100644
--- a/artiq/pkgs/artiq.nix
+++ b/artiq/pkgs/artiq.nix
@@ -11,7 +11,7 @@ in
     propagatedBuildInputs = [ binutils-or1k llvm-or1k llvmlite-artiq qt5Full ]
       ++ (with pythonDeps; [ levenshtein pyqtgraph-qt5 quamash pythonparser asyncserial ])
       ++ (with python3Packages; [ aiohttp pygit2 numpy dateutil scipy prettytable pyserial h5py pyqt5 ]);
-    buildInputs = [ outputcheck ];
+    checkInputs = [ binutils-or1k outputcheck ];
     checkPhase =
     ''
     python -m unittest discover -v artiq.test