1 files changed, 1 insertions, 0 deletions

diff --git a/rbutil/rbutilqt/rbutilqt.pri b/rbutil/rbutilqt/rbutilqt.pri
index 141c5eea75..b6aac3bb43 100644
--- a/rbutil/rbutilqt/rbutilqt.pri
+++ b/rbutil/rbutilqt/rbutilqt.pri
@@ -113,6 +113,7 @@ HEADERS += \
  base/ttsexes.h \
  base/ttsfestival.h \
  base/ttssapi.h \
+ base/ttssapi4.h \
  ../../tools/wavtrim.h \
  ../../tools/voicefont.h \
  base/voicefile.h \