diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 8b64af017733..3d63a89daa18 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3844,6 +3844,7 @@ free_bio_info:
 
 #ifdef CONFIG_UNICODE
 	utf8_unload(sb->s_encoding);
+	sb->s_encoding = NULL;
 #endif
 free_options:
 #ifdef CONFIG_QUOTA