diff --git a/library/train_util.py b/library/train_util.py
index eb46fbb0..83d0d6bb 100644
--- a/library/train_util.py
+++ b/library/train_util.py
@@ -2748,7 +2748,9 @@ def prepare_accelerator(args: argparse.Namespace):
         log_prefix = "" if args.log_prefix is None else args.log_prefix
         logging_dir = args.logging_dir + "/" + log_prefix + time.strftime("%Y%m%d%H%M%S", time.localtime())
 
-    if args.log_with is not None:
+    if args.log_with is None:
+        log_with = None
+    else:
         log_with = args.log_with
         if log_with in ["tensorboard", "all"]:
             if logging_dir is None:
@@ -2761,8 +2763,6 @@ def prepare_accelerator(args: argparse.Namespace):
             if logging_dir is not None:
                 os.makedirs(logging_dir, exist_ok=True)
                 os.environ["WANDB_DIR"] = logging_dir
-    else:
-        log_with = None
 
     accelerator = Accelerator(
         gradient_accumulation_steps=args.gradient_accumulation_steps,