diff --git a/functional-tests/thin/metadata.scm b/functional-tests/thin/metadata.scm
index afc36b9..c707e9a 100644
--- a/functional-tests/thin/metadata.scm
+++ b/functional-tests/thin/metadata.scm
@@ -24,7 +24,7 @@
   (define $space-map-root-size 128)
 
   (define (block->superblock b)
-          (make-ftype-pointer ThinSuperblock (block-data b)))
+    (make-ftype-pointer ThinSuperblock (block-data b)))
 
   (define-ftype ThinSuperblock
     (packed