diff --git a/src-ui/src/app/utils/custom-field-query-element.ts b/src-ui/src/app/utils/custom-field-query-element.ts
index 8de4edb28..24e3f6856 100644
--- a/src-ui/src/app/utils/custom-field-query-element.ts
+++ b/src-ui/src/app/utils/custom-field-query-element.ts
@@ -103,7 +103,13 @@ export class CustomFieldQueryAtom extends CustomFieldQueryElement {
     return super.operator
   }
 
-  constructor(queryArray: [number, string, string] = [null, null, null]) {
+  constructor(
+    queryArray: [number, string, string | string[] | number[]] = [
+      null,
+      null,
+      null,
+    ]
+  ) {
     super(CustomFieldQueryElementType.Atom)
     ;[this._field, this._operator, this._value] = queryArray
   }