diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
index 7938d2324e87..8cbdd6574755 100644
--- a/fs/xfs/libxfs/xfs_da_btree.c
+++ b/fs/xfs/libxfs/xfs_da_btree.c
@@ -2384,6 +2384,7 @@ xfs_da_grow_inode_int(
 	}
 
 	/* account for newly allocated blocks in reserved blocks total */
+	ASSERT(args->total >= dp->i_nblocks - nblks);
 	args->total -= dp->i_nblocks - nblks;
 
 out_free_map: