diff --git a/snapshots/testsuite/testsuite.go b/snapshots/testsuite/testsuite.go
index fc1b31f49..cdfa0e7ae 100644
--- a/snapshots/testsuite/testsuite.go
+++ b/snapshots/testsuite/testsuite.go
@@ -941,6 +941,8 @@ func check128LayersMount(name string) func(ctx context.Context, t *testing.T, sn
 				t.Fatalf("[layer %d] failed to mount on the target(%s): %+v", i, preparing, err)
 			}
 
+			t.Log("mount", preparing)
+
 			if err := fstest.CheckDirectoryEqual(preparing, flat); err != nil {
 				testutil.Unmount(t, preparing)
 				t.Fatalf("[layer %d] preparing doesn't equal to flat before apply: %+v", i, err)