1 files changed, 1 insertions, 1 deletions
diff --git a/src/nix-prefetch-url/nix-prefetch-url.cc b/src/nix-prefetch-url/nix-prefetch-url.cc
index 961e7fb6d..65d8ec6b6 100644
--- a/src/nix-prefetch-url/nix-prefetch-url.cc
+++ b/src/nix-prefetch-url/nix-prefetch-url.cc
@@ -154,7 +154,7 @@ static int _main(int argc, char * * argv)
         /* If an expected hash is given, the file may already exist in
            the store. */
         std::optional<Hash> expectedHash;
-        Hash hash;
+        Hash hash(ht);
         std::optional<StorePath> storePath;
         if (args.size() == 2) {
             expectedHash = Hash(args[1], ht);