diff --git a/lib/fifo.h b/lib/fifo.h
index 6be75b7..47a1e88 100644
--- a/lib/fifo.h
+++ b/lib/fifo.h
@@ -25,6 +25,7 @@
 {
   struct fifo *next;
   struct fifo *prev;
+  u_int32_t count;
 };
 
 #define FIFO_INIT(F)                                  \