diff --git a/reg-tests/log/wrong_ip_port_logging.vtc b/reg-tests/log/wrong_ip_port_logging.vtc
index af8ca8486..0109fbc8d 100644
--- a/reg-tests/log/wrong_ip_port_logging.vtc
+++ b/reg-tests/log/wrong_ip_port_logging.vtc
@@ -30,7 +30,7 @@ server s1 {
 
 syslog Slg_1 -level notice {
     recv info
-    expect ~ \"dip\":\"${h1_fe_1_addr}\",\"dport\":\"${h1_fe_1_port}.*\"ts\":\"[cC]D\",\"
+    expect ~ \"dip\":\"${h1_fe_1_addr}\",\"dport\":\"${h1_fe_1_port}.*\"ts\":\"[cC-][D-]\",\"
 } -start
 
 haproxy h1 -conf {