diff --git a/reactos/drivers/network/ndis/ndis/buffer.c b/reactos/drivers/network/ndis/ndis/buffer.c
index dc0ae02b86c..e9775acd311 100644
--- a/reactos/drivers/network/ndis/ndis/buffer.c
+++ b/reactos/drivers/network/ndis/ndis/buffer.c
@@ -428,6 +428,7 @@ NdisAllocatePacket(
         Temp->Private.Pool = Pool;
         Temp->Private.ValidCounts = TRUE;
         Temp->Private.NdisPacketFlags = fPACKET_ALLOCATED_BY_NDIS;
+        Temp->Private.NdisPacketOobOffset = Pool->PacketLength - sizeof(NDIS_PACKET_OOB_DATA);
 
         *Packet = Temp;
         *Status = NDIS_STATUS_SUCCESS;
@@ -506,7 +507,7 @@ NdisAllocatePacketPoolEx(
             NumberOfDescriptors = 0xffff;
         }
 
-        Length = sizeof(NDIS_PACKET) + ProtocolReservedLength;
+        Length = sizeof(NDIS_PACKET) + sizeof(NDIS_PACKET_OOB_DATA) + ProtocolReservedLength;
         Size   = sizeof(NDISI_PACKET_POOL) + Length * NumberOfDescriptors;
 
         Pool   = ExAllocatePool(NonPagedPool, Size);
@@ -711,6 +712,7 @@ NdisDprAllocatePacket(
         Temp->Private.Pool = Pool;
         Temp->Private.ValidCounts = TRUE;
         Temp->Private.NdisPacketFlags = fPACKET_ALLOCATED_BY_NDIS;
+        Temp->Private.NdisPacketOobOffset = Pool->PacketLength - sizeof(NDIS_PACKET_OOB_DATA);
 
         *Packet = Temp;
         *Status = NDIS_STATUS_SUCCESS;
@@ -760,6 +762,7 @@ NdisDprAllocatePacketNonInterlocked(
         Temp->Private.Pool = Pool;
         Temp->Private.ValidCounts = TRUE;
         Temp->Private.NdisPacketFlags = fPACKET_ALLOCATED_BY_NDIS;
+        Temp->Private.NdisPacketOobOffset = Pool->PacketLength - sizeof(NDIS_PACKET_OOB_DATA);
 
         *Packet = Temp;
         *Status = NDIS_STATUS_SUCCESS;