1 files changed, 1 insertions, 1 deletions

diff --git a/utils/rbutilqt/base/ttsfestival.cpp b/utils/rbutilqt/base/ttsfestival.cpp
index fce1d8cb3e..9cdad7fe64 100644
--- a/utils/rbutilqt/base/ttsfestival.cpp
+++ b/utils/rbutilqt/base/ttsfestival.cpp
@@ -182,7 +182,7 @@ bool TTSFestival::stop()
     return true;
 }
 
-TTSStatus TTSFestival::voice(QString text, QString wavfile, QString* errStr)
+TTSStatus TTSFestival::voice(const QString& text, const QString& wavfile, QString* errStr)
 {
     LOG_INFO() << "Voicing" << text << "->" << wavfile;