diff --git a/maintainers/upload-release.pl b/maintainers/upload-release.pl
index 8432c9596..1cdf5ed16 100755
--- a/maintainers/upload-release.pl
+++ b/maintainers/upload-release.pl
@@ -67,10 +67,10 @@ sub downloadFile {
     }
 
     my $sha256_expected = $buildInfo->{buildproducts}->{$productNr}->{sha256hash} or die;
-    my $sha256_actual = `nix hash-file --type sha256 '$dstFile'`;
+    my $sha256_actual = `nix hash-file --base16 --type sha256 '$dstFile'`;
     chomp $sha256_actual;
     if ($sha256_expected ne $sha256_actual) {
-        print STDERR "file $dstFile is corrupt\n";
+        print STDERR "file $dstFile is corrupt, got $sha256_actual, expected $sha256_expected\n";
         exit 1;
     }