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-rw-r--r--lib/VNDB/Func.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/VNDB/Func.pm b/lib/VNDB/Func.pm
index bb8ad775..17d69cd5 100644
--- a/lib/VNDB/Func.pm
+++ b/lib/VNDB/Func.pm
@@ -103,7 +103,7 @@ sub fil_serialize {
my @v = ref $fil->{$_} ? @{$fil->{$_}} : ($fil->{$_});
s/$e/_$fil_escape{$1}/g for(@v);
$_.'-'.join '~', @v
- } keys %$fil;
+ } grep defined($fil->{$_}), keys %$fil;
}
1;