1 files changed, 1 insertions, 1 deletions
diff --git a/src/fields/Doc.ts b/src/fields/Doc.ts
index 24c18c232..084cb872a 100644
--- a/src/fields/Doc.ts
+++ b/src/fields/Doc.ts
@@ -816,7 +816,7 @@ export namespace Doc {
     }
 
     export function FindReferences(infield: Doc | List<any>, references: Set<Doc>, system: boolean | undefined) {
-        if (infield instanceof List<any>) {
+        if (!(infield instanceof Doc)) {
             infield.forEach(val => (val instanceof Doc || val instanceof List) && FindReferences(val, references, system));
             return;
         }