diff --git a/broadcastradio/2.0/default/TunerSession.h b/broadcastradio/2.0/default/TunerSession.h
index 5d27b1e..4130341 100644
--- a/broadcastradio/2.0/default/TunerSession.h
+++ b/broadcastradio/2.0/default/TunerSession.h
@@ -63,6 +63,7 @@
     bool mIsTuneCompleted = false;
     ProgramSelector mCurrentProgram = {};
 
+    void cancelLocked();
     void tuneInternalLocked(const ProgramSelector& sel);
     const VirtualRadio& virtualRadio() const;
     const BroadcastRadio& module() const;