diff --git a/lib/chibi/snow/commands.scm b/lib/chibi/snow/commands.scm
index efbfbf5b..1fbb0bb0 100644
--- a/lib/chibi/snow/commands.scm
+++ b/lib/chibi/snow/commands.scm
@@ -27,7 +27,7 @@
       (or (equal? (car spec) 'generic)
       (and confirm?
            (yes-or-no? cfg "Implementation " (car spec) " does not "
-            " seem to be available, install anyway?")))))
+                       " seem to be available, install anyway?")))))
 
 (define (conf-selected-implementations cfg)
   (let ((requested (conf-get-list cfg 'implementations '(chibi))))