diff --git a/plugins/view-resources/src/utils.ts b/plugins/view-resources/src/utils.ts
index 92d03420ba..8af29d96d8 100644
--- a/plugins/view-resources/src/utils.ts
+++ b/plugins/view-resources/src/utils.ts
@@ -178,7 +178,9 @@ function getKeyLookup<T extends Doc> (
     const lookupClass = (attribute.type as RefTo<Doc>).to
     const index = key.indexOf('$lookup', lastIndex)
     if (index === -1) {
-      ;(lookup as any)[attrib] = lookupClass
+      if ((lookup as any)[attrib] === undefined) {
+        ;(lookup as any)[attrib] = lookupClass
+      }
     } else {
       let nested = Array.isArray((lookup as any)[attrib]) ? (lookup as any)[attrib][1] : {}
       nested = getKeyLookup(hierarchy, lookupClass, key.slice(index), nested)