1 files changed, 1 insertions, 1 deletions

diff --git a/rbutil/rbutilqt/base/ttssapi4.h b/rbutil/rbutilqt/base/ttssapi4.h
index 7964cbfd2b..d6408eaa2c 100644
--- a/rbutil/rbutilqt/base/ttssapi4.h
+++ b/rbutil/rbutilqt/base/ttssapi4.h
@@ -28,7 +28,7 @@ class TTSSapi4: public TTSSapi
 {
     Q_OBJECT
     public:
-        TTSSapi4(QObject* parent=NULL) : TTSSapi(parent)
+        TTSSapi4(QObject* parent=nullptr) : TTSSapi(parent)
         {
             m_TTSTemplate = "cscript //nologo \"%exe\" "
                 "/language:%lang /voice:\"%voice\" "