--- a/src/wifi/model/edca-txop-n.cc	Wed May 06 23:14:06 2015 +0200
+++ b/src/wifi/model/edca-txop-n.cc	Wed May 06 14:23:50 2015 -0700
@@ -240,6 +240,7 @@
   : m_manager (0),
     m_currentPacket (0),
     m_aggregator (0),
+    m_typeOfStation (STA),
     m_blockAckType (COMPRESSED_BLOCK_ACK),
     m_ampduExist (false)
 {