diff --git a/src/components/RelationCard/index.vue b/src/components/RelationCard/index.vue
index b515a57a8..3a133ba33 100644
--- a/src/components/RelationCard/index.vue
+++ b/src/components/RelationCard/index.vue
@@ -169,7 +169,7 @@ export default {
     }
   },
   mounted() {
-    if (this.hasObjectsId.length !== 0) {
+    if (this.hasObjectsId && this.hasObjectsId.length !== 0) {
       setTimeout(() => {
         this.getHasObjectsByIds()
       }, 50)