diff --git a/release.nix b/release.nix
index e7df7fb..128700a 100644
--- a/release.nix
+++ b/release.nix
@@ -69,7 +69,7 @@ in
 
   coverage.nosv = pkgs.releaseTools.coverageAnalysis {
     name = "nosv-coverage";
-    src = tarballs.nosv;
+    inherit (pkgs.nosv) src;
     lcovFilter = [ "*/tests/*" ];
   };