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-rw-r--r--host/lib/usrp/usrp2/io_impl.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index eba704059..bbe9c273f 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -46,7 +46,7 @@ struct usrp2_impl::io_impl{
io_impl(size_t num_frames, size_t width):
packet_handler_recv_state(width),
- recv_pirate_booty(alignment_buffer_type::make(num_frames, width)),
+ recv_pirate_booty(alignment_buffer_type::make(num_frames-3, width)),
async_msg_fifo(bounded_buffer<async_metadata_t>::make(100/*messages deep*/))
{
/* NOP */