diff --git a/src/devices/wifi/ctrl-headers.cc b/src/devices/wifi/ctrl-headers.cc
index 97492fc5b..861277cac 100644
--- a/src/devices/wifi/ctrl-headers.cc
+++ b/src/devices/wifi/ctrl-headers.cc
@@ -707,4 +707,10 @@ CtrlBAckResponseHeader::GetCompressedBitmap (void) const
   return bitmap.m_compressedBitmap;
 }
 
+void
+CtrlBAckResponseHeader::ResetBitmap (void)
+{
+  memset (&bitmap, 0, sizeof (bitmap));
+}
+
 }  //namespace ns3
diff --git a/src/devices/wifi/ctrl-headers.h b/src/devices/wifi/ctrl-headers.h
index 5150a3a41..85d62a9e1 100644
--- a/src/devices/wifi/ctrl-headers.h
+++ b/src/devices/wifi/ctrl-headers.h
@@ -116,6 +116,8 @@ public:
   void SetStartingSequenceControl (uint16_t seqControl);
   const uint16_t* GetBitmap (void) const;
   uint64_t GetCompressedBitmap (void) const;
+
+  void ResetBitmap (void);
   
 private: