diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c
index 85b062e7f48d..8c73d4d60d1a 100644
--- a/fs/smb/client/fs_context.c
+++ b/fs/smb/client/fs_context.c
@@ -1370,11 +1370,11 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
 		ctx->acdirmax = ctx->acregmax = HZ * result.uint_32;
 		break;
 	case Opt_closetimeo:
-		ctx->closetimeo = HZ * result.uint_32;
-		if (ctx->closetimeo > SMB3_MAX_DCLOSETIMEO) {
+		if (result.uint_32 > SMB3_MAX_DCLOSETIMEO / HZ) {
 			cifs_errorf(fc, "closetimeo too large\n");
 			goto cifs_parse_mount_err;
 		}
+		ctx->closetimeo = HZ * result.uint_32;
 		break;
 	case Opt_echo_interval:
 		ctx->echo_interval = result.uint_32;