diff --git a/scripts/nix-push.in b/scripts/nix-push.in
index fa83f92c8e..7b9d521617 100644
--- a/scripts/nix-push.in
+++ b/scripts/nix-push.in
@@ -196,7 +196,7 @@ for (my $n = 0; $n < scalar @storePaths; $n++) {
     # In some exceptional cases (such as VM tests that use the Nix
     # store of the host), the database doesn't contain the hash.  So
     # compute it.
-    if ($narHash eq "sha256:0000000000000000000000000000000000000000000000000000000000000000") {
+    if ($narHash eq "sha256:0000000000000000000000000000000000000000000000000000") {
         $narHash = `$binDir/nix-hash --type sha256 '$storePath'`;
         die "cannot hash `$storePath'" if $? != 0;
         chomp $narHash;