diff --git a/impl/src/layer2/packet_queue.h b/impl/src/layer2/packet_queue.h
index 73bce5f..8352960 100644
--- a/impl/src/layer2/packet_queue.h
+++ b/impl/src/layer2/packet_queue.h
@@ -3,7 +3,7 @@
 
 #include "packet_structs.h"
 
-#define PACKET_QUEUE_SIZE 16
+#define PACKET_QUEUE_SIZE 15
 
 typedef struct packet_queue_entry_s {
 	layer2_packet_header_t  header;