diff --git a/services/oboeservice/AAudioServiceStreamBase.h b/services/oboeservice/AAudioServiceStreamBase.h
index 5f5bb98..3720596 100644
--- a/services/oboeservice/AAudioServiceStreamBase.h
+++ b/services/oboeservice/AAudioServiceStreamBase.h
@@ -55,7 +55,7 @@
     , public Runnable  {
 
 public:
-    AAudioServiceStreamBase(android::AAudioService &aAudioService);
+    explicit AAudioServiceStreamBase(android::AAudioService &aAudioService);
 
     virtual ~AAudioServiceStreamBase();
 
@@ -219,6 +219,8 @@
         mCloseNeeded.store(needed);
     }
 
+    virtual const char *getTypeText() const { return "Base"; }
+
 protected:
 
     /**