diff --git a/src/warden-server/lib/Warden.pm b/src/warden-server/lib/Warden.pm
index 2aa48db0dcb8b3debf0c627a0200b60269335f97..71f8575d46fbed9bccecf41d2cc35a95de9133ce 100755
--- a/src/warden-server/lib/Warden.pm
+++ b/src/warden-server/lib/Warden.pm
@@ -228,19 +228,19 @@ sub saveNewEvent
       sendMsg("err",
              "Unknown detected time format - client from: '$ip'; CN(AN): $alt_names; used detected: '$detected'",
              "Unknown detected time format '$detected'");
-    } elsif ($target_port !~ /^\d+\z/ && defined $target_port) {
+    } elsif ($target_port !~ /^\d+\z/ || !defined $target_port) {
       sendMsg("err",
              "Unknown target port - client from: '$ip'; CN(AN): $alt_names; used target_port: '$target_port'",
              "Unknown target port '$target_port'");
-    } elsif ($attack_scale !~ /^\d+\z/ && defined $attack_scale) {
+    } elsif ($attack_scale !~ /^\d+\z/ || !defined $attack_scale) {
       sendMsg("err",
              "Unknown attack scale - client from: '$ip'; CN(AN): $alt_names; used attack_scale: '$attack_scale'",
              "Unknown attack scale '$attack_scale'");
-    } elsif ($priority !~ /^\d+\z/ && defined $priority) {
+    } elsif ($priority !~ /^\d+\z/ || !defined $priority) {
       sendMsg("err",
              "Unknown priority - client from: '$ip'; CN(AN): $alt_names; used priority: '$priority'",
              "Unknown priority '$priority'");
-    } elsif ($timeout !~ /^\d+\z/ && defined $timeout) {
+    } elsif ($timeout !~ /^\d+\z/ || !defined $timeout) {
       sendMsg("err",
              "Unknown timeout - client from: '$ip'; CN(AN): $alt_names; used timeout: '$timeout'",
              "Unknown timeout '$timeout'");