diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
index 17701a1ff8637314b4c0cf21af69796ee74ff830..ff1a0d06b46b8b2e495149c50fbfbf6953cee2aa 100644
--- a/fs/erofs/inode.c
+++ b/fs/erofs/inode.c
@@ -177,7 +177,7 @@ static void *erofs_read_inode(struct erofs_buf *buf,
 	}
 
 	if (vi->datalayout == EROFS_INODE_CHUNK_BASED) {
-		if (!(vi->chunkformat & EROFS_CHUNK_FORMAT_ALL)) {
+		if (vi->chunkformat & ~EROFS_CHUNK_FORMAT_ALL) {
 			erofs_err(inode->i_sb,
 				  "unsupported chunk format %x of nid %llu",
 				  vi->chunkformat, vi->nid);