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-rwxr-xr-xscript/traffic_summary.pl2
1 files changed, 1 insertions, 1 deletions
diff --git a/script/traffic_summary.pl b/script/traffic_summary.pl
index 5c69ca18617..05c1cf03702 100755
--- a/script/traffic_summary.pl
+++ b/script/traffic_summary.pl
@@ -518,7 +518,7 @@ sub format_ldap
#------------------------------------------------------------------------------
sub format_kerberos
{
- my $msg_type = $proto_data{'kerberos.msg_type.show'};
+ my $msg_type = $proto_data{'kerberos.msg_type.show'} || '';
my $cname_type = $proto_data{'kerberos.cname.type'} || '';
my $description = $proto_data{'kerberos.msg_type.showname'} || '';