diff --git a/src/corelib/text/qregularexpression.h b/src/corelib/text/qregularexpression.h
index a264717b28e..ed838327efe 100644
--- a/src/corelib/text/qregularexpression.h
+++ b/src/corelib/text/qregularexpression.h
@@ -175,6 +175,7 @@ private:
 Q_DECLARE_SHARED(QRegularExpression)
 Q_DECLARE_OPERATORS_FOR_FLAGS(QRegularExpression::PatternOptions)
 Q_DECLARE_OPERATORS_FOR_FLAGS(QRegularExpression::MatchOptions)
+Q_DECLARE_OPERATORS_FOR_FLAGS(QRegularExpression::WildcardConversionOptions)
 
 #ifndef QT_NO_DATASTREAM
 Q_CORE_EXPORT QDataStream &operator<<(QDataStream &out, const QRegularExpression &re);