diff --git a/include/SCBufferAdaptor.hpp b/include/SCBufferAdaptor.hpp
index b753a15..98195a7 100644
--- a/include/SCBufferAdaptor.hpp
+++ b/include/SCBufferAdaptor.hpp
@@ -87,7 +87,11 @@ public:
 
   void cleanUp()
   {
-    if (mOldData) boost::alignment::aligned_free(mOldData);
+    if (mOldData)
+    {
+      boost::alignment::aligned_free(mOldData);
+      mOldData = nullptr;
+    } 
   }
 
   // No locks in (vanilla) SC, so no-ops for these
@@ -147,10 +151,8 @@ public:
                           thisThing->samplerate);
   }
 
-  int bufnum()
-  {
-    return mBufnum; 
-  }
+  int bufnum() { return mBufnum; }
+  void realTime(bool rt) { mRealTime = rt;  }
 
 protected:
   bool equal(BufferAdaptor *rhs) const override
@@ -160,10 +162,11 @@ protected:
     return false;
   }
 
-  float *mOldData = 0;
+  bool  mRealTime{false};
+  float *mOldData{0};
   long   mBufnum;
   World *mWorld;
-  size_t mRank = 1;
+  size_t mRank{1};
 };
 
 class RTBufferView : public client::BufferAdaptor