diff --git a/lib/tests/release.nix b/lib/tests/release.nix
index a6184041682..9904a25ecc4 100644
--- a/lib/tests/release.nix
+++ b/lib/tests/release.nix
@@ -21,7 +21,7 @@ pkgs.stdenv.mkDerivation {
     nix-store --init
 
     cd ${pkgs.path}/lib/tests
-    ./modules.sh
+    bash ./modules.sh
 
     [[ "$(nix-instantiate --eval --strict misc.nix)" == "[ ]" ]]