diff --git a/src/gui/text/qtextengine_p.h b/src/gui/text/qtextengine_p.h
index cda8b5bdf..90cb4d522 100644
--- a/src/gui/text/qtextengine_p.h
+++ b/src/gui/text/qtextengine_p.h
@@ -258,7 +258,7 @@ struct Q_AUTOTEST_EXPORT QScriptItem
 };
 Q_DECLARE_TYPEINFO(QScriptItem, Q_PRIMITIVE_TYPE);
 
-typedef QVarLengthArray<QScriptItem> QScriptItemArray;
+typedef QVarLengthArray<QScriptItem, 1> QScriptItemArray;
 
 struct Q_AUTOTEST_EXPORT QScriptLine
 {