diff --git a/src/plugins/texteditor/bookmarkmanager.cpp b/src/plugins/texteditor/bookmarkmanager.cpp
index 2e95f7213c2..62aeb2f01c8 100644
--- a/src/plugins/texteditor/bookmarkmanager.cpp
+++ b/src/plugins/texteditor/bookmarkmanager.cpp
@@ -553,6 +553,7 @@ Bookmark *BookmarkManager::bookmarkForIndex(const QModelIndex &index) const
 
 bool BookmarkManager::gotoBookmark(const Bookmark *bookmark) const
 {
+    QTC_ASSERT(bookmark, return false);
     if (IEditor *editor = EditorManager::openEditorAt(
             Utils::Link(bookmark->filePath(), bookmark->lineNumber()))) {
         return editor->currentLine() == bookmark->lineNumber();