diff --git a/app/fullscreencontent.cpp b/app/fullscreencontent.cpp
--- a/app/fullscreencontent.cpp
+++ b/app/fullscreencontent.cpp
@@ -498,6 +498,7 @@
     Q_UNUSED(fullScreenMode);
     updateContainerAppearance();
     setupThumbnailBarStyleSheet();
+    updateDocumentCountLabel();
 }
 
 void FullScreenContent::setDistractionFreeMode(bool distractionFreeMode)