1 files changed, 7 insertions, 7 deletions

diff --git a/src/client/views/collections/CollectionPileView.tsx b/src/client/views/collections/CollectionPileView.tsx
index 6dfc38e2e..6ccbd6208 100644
--- a/src/client/views/collections/CollectionPileView.tsx
+++ b/src/client/views/collections/CollectionPileView.tsx
@@ -6,7 +6,7 @@ import * as React from 'react';
 import { returnFalse, setupMoveUpEvents } from '../../../ClientUtils';
 import { Doc, DocListCast } from '../../../fields/Doc';
 import { ScriptField } from '../../../fields/ScriptField';
-import { NumCast, StrCast } from '../../../fields/Types';
+import { NumCast, StrCast, toList } from '../../../fields/Types';
 import { emptyFunction } from '../../../Utils';
 import { DocUtils } from '../../documents/Documents';
 import { dropActionType } from '../../util/DropActionTypes';
@@ -43,15 +43,15 @@ export class CollectionPileView extends CollectionSubView() {
     layoutEngine = () => StrCast(this.Document._freeform_pileEngine);
 
     @undoBatch
-    addPileDoc = (doc: Doc | Doc[]) => {
-        (doc instanceof Doc ? [doc] : doc).map(d => DocUtils.iconify(d));
-        return this._props.addDocument?.(doc) || false;
+    addPileDoc = (docs: Doc | Doc[]) => {
+        toList(docs).map(doc => DocUtils.iconify(doc));
+        return this._props.addDocument?.(docs) || false;
     };
 
     @undoBatch
-    removePileDoc = (doc: Doc | Doc[], targetCollection: Doc | undefined, addDoc: (doc: Doc | Doc[]) => boolean) => {
-        (doc instanceof Doc ? [doc] : doc).forEach(d => Doc.deiconifyView(d));
-        const ret = this._props.moveDocument?.(doc, targetCollection, addDoc) || false;
+    removePileDoc = (docs: Doc | Doc[], targetCollection: Doc | undefined, addDoc: (doc: Doc | Doc[]) => boolean) => {
+        toList(docs).forEach(doc => Doc.deiconifyView(doc));
+        const ret = this._props.moveDocument?.(docs, targetCollection, addDoc) || false;
         if (ret && !DocListCast(this.dataDoc[this.fieldKey ?? 'data']).length) this.DocumentView?.()._props.removeDocument?.(this.Document);
         return ret;
     };