diff --git a/utilities/checkpoint/checkpoint_test.cc b/utilities/checkpoint/checkpoint_test.cc
index 54df1938642..4d47db755cf 100644
--- a/utilities/checkpoint/checkpoint_test.cc
+++ b/utilities/checkpoint/checkpoint_test.cc
@@ -1094,8 +1094,8 @@ TEST_P(CheckpointTestWithParams, CheckpointWithTruncatedRecordBodyInWal) {
 
   TEST_SYNC_POINT(
       "CheckpointTest::CheckpointWithTruncatedRecordBodyInWal:BeforePut");
-  ASSERT_OK(
-      Put("foo2", rnd.RandomString(options.writable_file_max_buffer_size)));
+  ASSERT_OK(Put("foo2",
+                rnd.RandomString((int)options.writable_file_max_buffer_size)));
 
   create_checkpoint_thread.join();