diff --git a/@overflow/probe/component/probe-summary.component.html b/@overflow/probe/component/probe-summary.component.html
index b938a52..a19e6ef 100644
--- a/@overflow/probe/component/probe-summary.component.html
+++ b/@overflow/probe/component/probe-summary.component.html
@@ -6,7 +6,7 @@
     </div>
     <div class="ui-g-12 ui-md-4 ui-key-value">
       <of-key-value [key]="'Name'" [value]="probeHost.probe.name"></of-key-value>
-      <of-key-value [key]="'OS'" [value]="probeHost.infraHost.infraHostOS.name"></of-key-value>
+      <of-key-value *ngIf="probeHost.infraHost.infraHostOS" [key]="'OS'" [value]="probeHost.infraHost.infraHostOS.name"></of-key-value>
     </div>
   </div>
 </p-panel>
\ No newline at end of file