diff --git a/libraries/avatars/src/Recording.h b/libraries/avatars/src/Recording.h
index bffa923ed0..99d40c6202 100644
--- a/libraries/avatars/src/Recording.h
+++ b/libraries/avatars/src/Recording.h
@@ -120,8 +120,8 @@ private:
     friend RecordingPointer readRecordingFromRecFile(RecordingPointer recording, const QString& filename, const QByteArray& byteArray);
 };
 
-void writeRecordingToFile(RecordingPointer recording, QString& filename);
-RecordingPointer readRecordingFromFile(RecordingPointer recording, QString& filename);
-RecordingPointer readRecordingFromRecFile(RecordingPointer recording, QString& filename, QByteArray& byteArray);
+void writeRecordingToFile(RecordingPointer recording, const QString& filename);
+RecordingPointer readRecordingFromFile(RecordingPointer recording, const QString& filename);
+RecordingPointer readRecordingFromRecFile(RecordingPointer recording, const QString& filename, QByteArray& byteArray);
 
 #endif // hifi_Recording_h
\ No newline at end of file