1 files changed, 2 insertions, 0 deletions
diff --git a/src/client/util/DocumentManager.ts b/src/client/util/DocumentManager.ts
index 7c867d710..088f2429d 100644
--- a/src/client/util/DocumentManager.ts
+++ b/src/client/util/DocumentManager.ts
@@ -38,10 +38,12 @@ export class DocumentManager {
             this._viewRenderedCbs.push({ doc, func });
             if (dv) {
                 this.callAddViewFuncs(dv);
+                return true;
             }
         } else {
             func(undefined as any);
         }
+        return false;
     };
     callAddViewFuncs = (view: DocumentView) => {
         const callFuncs = this._viewRenderedCbs.filter(vc => vc.doc === view.rootDoc);