diff --git a/scapy/layers/dot11.py b/scapy/layers/dot11.py
index c8e4f9725036f6a2ec989e2703259cce6da951c6..18a4bc4a1d094167fa24d7a84d7e273800905215 100644
--- a/scapy/layers/dot11.py
+++ b/scapy/layers/dot11.py
@@ -369,6 +369,10 @@ class Dot11WEP(Packet):
         return p
 
 
+class Dot11Ack(Packet):
+    name = "802.11 Ack packet"
+
+
 bind_layers( PrismHeader,   Dot11,         )
 bind_layers( RadioTap,      Dot11,         )
 bind_layers( PPI,           Dot11,         dlt=105)
@@ -385,6 +389,7 @@ bind_layers( Dot11,         Dot11ATIM,       subtype=9, type=0)
 bind_layers( Dot11,         Dot11Disas,      subtype=10, type=0)
 bind_layers( Dot11,         Dot11Auth,       subtype=11, type=0)
 bind_layers( Dot11,         Dot11Deauth,     subtype=12, type=0)
+bind_layers( Dot11,         Dot11Ack,        subtype=13, type=1)
 bind_layers( Dot11Beacon,     Dot11Elt,    )
 bind_layers( Dot11AssoReq,    Dot11Elt,    )
 bind_layers( Dot11AssoResp,   Dot11Elt,    )