diff --git a/ui-ngx/src/app/core/utils.ts b/ui-ngx/src/app/core/utils.ts
index e0fadd768a..5bdb6a48dd 100644
--- a/ui-ngx/src/app/core/utils.ts
+++ b/ui-ngx/src/app/core/utils.ts
@@ -403,7 +403,7 @@ export function mergeDeep<T>(target: T, ...sources: T[]): T {
 
 function ignoreArrayMergeFunc(target: any, sources: any) {
   if (_.isArray(target)) {
-    return sources;
+    return deepClone(sources);
   }
 }