diff --git a/src/document/UBDocumentContainer.cpp b/src/document/UBDocumentContainer.cpp
index 456c37a7..481a415a 100644
--- a/src/document/UBDocumentContainer.cpp
+++ b/src/document/UBDocumentContainer.cpp
@@ -106,7 +106,6 @@ void UBDocumentContainer::addPage(int index)
 void UBDocumentContainer::addPixmapAt(const QPixmap *pix, int index)
 {
     mDocumentThumbs.insert(index, pix);
-    emit documentThumbnailsUpdated(this);
 }