diff --git a/cmd/genbindings/emitcabi.go b/cmd/genbindings/emitcabi.go
index 663d7886..7b051134 100644
--- a/cmd/genbindings/emitcabi.go
+++ b/cmd/genbindings/emitcabi.go
@@ -299,7 +299,8 @@ func emitCABI2CppForwarding(p CppParameter, indent string) (preamble string, for
 			p.ParameterType == "qulonglong" ||
 			p.GetQtCppType().ParameterType == "qintptr" ||
 			p.GetQtCppType().ParameterType == "qsizetype" || // Qt 6 qversionnumber.h: invalid ‘static_cast’ from type ‘ptrdiff_t*’ {aka ‘long int*’} to type ‘qsizetype*’ {aka ‘long long int*’}
-			p.ParameterType == "qint8" {
+			p.ParameterType == "qint8" ||
+			(p.IsFlagType() && p.ByRef) {
 			// QDataStream::operator>>() by reference (qint64)
 			// QLockFile::getLockInfo() by pointer
 			// QTextStream::operator>>() by reference (qlonglong + qulonglong)