diff --git a/storage/heap/hp_write.c b/storage/heap/hp_write.c
index b6ca97629ca..6b96e1c31a3 100644
--- a/storage/heap/hp_write.c
+++ b/storage/heap/hp_write.c
@@ -153,7 +153,7 @@ static uchar *next_free_record_pos(HP_SHARE *info)
         (info->data_length + info->index_length >= info->max_table_size))
     {
       DBUG_PRINT("error",
-                 ("record file full. records: %u  max_records: %lu  "
+                 ("record file full. records: %lu  max_records: %lu  "
                   "data_length: %llu  index_length: %llu  "
                   "max_table_size: %llu",
                   info->records, info->max_records,