diff --git a/src/gui/text/qtextobject.cpp b/src/gui/text/qtextobject.cpp
index 547b21c02e8..40960c910ed 100644
--- a/src/gui/text/qtextobject.cpp
+++ b/src/gui/text/qtextobject.cpp
@@ -1322,7 +1322,7 @@ QTextList *QTextBlock::textList() const
 QTextBlockUserData *QTextBlock::userData() const
 {
     if (!p || !n)
-        return 0;
+        return nullptr;
 
     const QTextBlockData *b = p->blockMap().fragment(n);
     return b->userData;