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-rw-r--r--Bugzilla/BugMail.pm4
1 files changed, 2 insertions, 2 deletions
diff --git a/Bugzilla/BugMail.pm b/Bugzilla/BugMail.pm
index d4a1597ab..110a1ffaf 100644
--- a/Bugzilla/BugMail.pm
+++ b/Bugzilla/BugMail.pm
@@ -169,8 +169,8 @@ sub Send {
}
if ($change->{field_name} eq 'dependson' || $change->{field_name} eq 'blocked') {
- push @referenced_bug_ids, split(/[\s,]+/, $change->{old});
- push @referenced_bug_ids, split(/[\s,]+/, $change->{new});
+ push @referenced_bug_ids, split(/[\s,]+/, $change->{old} // '');
+ push @referenced_bug_ids, split(/[\s,]+/, $change->{new} // '');
}
}