diff --git a/src/flamenco/runtime/fd_bank_hash_cmp.c b/src/flamenco/runtime/fd_bank_hash_cmp.c
index 88abc3667c3..a5603bf41a0 100644
--- a/src/flamenco/runtime/fd_bank_hash_cmp.c
+++ b/src/flamenco/runtime/fd_bank_hash_cmp.c
@@ -131,8 +131,10 @@ fd_bank_hash_cmp_insert( fd_bank_hash_cmp_t * bank_hash_cmp,
       }
     }
 
-    cmp      = fd_bank_hash_cmp_map_insert( map, slot );
-    cmp->cnt = 0;
+    cmp           = fd_bank_hash_cmp_map_insert( map, slot );
+    cmp->cnt      = 0;
+    cmp->overflow = 0;
+
     bank_hash_cmp->cnt++;
   }