diff --git a/storage/innobase/lock/lock0lock.cc b/storage/innobase/lock/lock0lock.cc
index d5905e7b523..6a24f369c22 100644
--- a/storage/innobase/lock/lock0lock.cc
+++ b/storage/innobase/lock/lock0lock.cc
@@ -6126,6 +6126,7 @@ namespace Deadlock
       for (trx_t *next= cycle;;)
       {
         next= next->lock.wait_trx;
+        l++;
         const undo_no_t next_weight= TRX_WEIGHT(next) |
           (next->mysql_thd &&
 #ifdef WITH_WSREP