diff --git a/impl/test/layer2_over_udp/l2udptest.c b/impl/test/layer2_over_udp/l2udptest.c
index bf7d522..82d7efd 100644
--- a/impl/test/layer2_over_udp/l2udptest.c
+++ b/impl/test/layer2_over_udp/l2udptest.c
@@ -288,6 +288,8 @@ int main(int argc, char **argv)
 					RESULT_CHECK(transmit(packet_buf, packet_size));
 				}
 
+				connection_tx_clean_empty_packet(&l2conn);
+
 				LOG(LVL_DEBUG, "Burst finished: %zd packets sent.", burst_len);
 
 				if(!on_air) {