1 files changed, 1 insertions, 1 deletions
diff --git a/src/client/views/pdf/PDFViewer.tsx b/src/client/views/pdf/PDFViewer.tsx
index c508935f2..19ef713c2 100644
--- a/src/client/views/pdf/PDFViewer.tsx
+++ b/src/client/views/pdf/PDFViewer.tsx
@@ -35,7 +35,7 @@ interface IViewerProps {
     scrollTo: (y: number) => void;
     active: () => boolean;
     setPanY?: (n: number) => void;
-    addDocTab: (document: Doc, dataDoc: Doc | undefined, where: string) => void;
+    addDocTab: (document: Doc, dataDoc: Doc | undefined, where: string) => boolean;
     pinToPres: (document: Doc) => void;
     addDocument?: (doc: Doc, allowDuplicates?: boolean) => boolean;
 }