diff --git a/include/private/media/AudioTrackShared.h b/include/private/media/AudioTrackShared.h
index ff440bc..b4fa3c5 100644
--- a/include/private/media/AudioTrackShared.h
+++ b/include/private/media/AudioTrackShared.h
@@ -438,7 +438,11 @@
         return 0;
     }
 
-    virtual uint32_t    getUnderrunFrames() const {
+    virtual uint32_t getUnderrunFrames() const override {
+        return 0;
+    }
+
+    virtual uint32_t getUnderrunCount() const override {
         return 0;
     }