diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 83dbfd9d2532..530edb813add 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -111,7 +111,7 @@ int nilfs_get_block(struct inode *inode, sector_t blkoff,
 					   "%s (ino=%lu): a race condition while inserting a data block at offset=%llu",
 					   __func__, inode->i_ino,
 					   (unsigned long long)blkoff);
-				err = 0;
+				err = -EAGAIN;
 			}
 			nilfs_transaction_abort(inode->i_sb);
 			goto out;