diff --git a/static/js/directives/ui/tag-signing-display/tag-signing-display.component.ts b/static/js/directives/ui/tag-signing-display/tag-signing-display.component.ts
index 78b14c640..c74b8ad25 100644
--- a/static/js/directives/ui/tag-signing-display/tag-signing-display.component.ts
+++ b/static/js/directives/ui/tag-signing-display/tag-signing-display.component.ts
@@ -94,7 +94,7 @@ export class TagSigningDisplayComponent {
     // Find all delegations containing the tag as a target.
     Object.keys(delegationSet.delegations).forEach((delegationName) => {
       var delegation = delegationSet.delegations[delegationName];
-      if (delegation.targets && delegation.targets[tag.name]) {
+      if (delegation && delegation.targets && delegation.targets[tag.name]) {
         var DelegationInfo = this.buildDelegationInfo(tag, delegationName, delegation);
         info.delegations.push(DelegationInfo);
         info.delegationsByName[delegationName] = DelegationInfo;