1 files changed, 1 insertions, 1 deletions
diff --git a/Bugzilla/Quantum/SES.pm b/Bugzilla/Quantum/SES.pm
index 2a1c65802..4badbc247 100644
--- a/Bugzilla/Quantum/SES.pm
+++ b/Bugzilla/Quantum/SES.pm
@@ -121,7 +121,7 @@ my $BouncedRecipients = ArrayRef[
     Dict[
        emailAddress   => Str,
        action         => Str,
-       diagnosticCode => Int,
+       diagnosticCode => Str,
        slurpy Any,
     ],
 ];