diff --git a/.dir-locals.el b/.dir-locals.el
index 2d1a03c313..d2f6037afe 100644
--- a/.dir-locals.el
+++ b/.dir-locals.el
@@ -83,6 +83,7 @@
    (eval . (put 'graft 'scheme-indent-function 0))
    (eval . (put 'operating-system 'scheme-indent-function 0))
    (eval . (put 'file-system 'scheme-indent-function 0))
+   (eval . (put 'swap-space 'scheme-indent-function 0))
    (eval . (put 'manifest-entry 'scheme-indent-function 0))
    (eval . (put 'manifest-pattern 'scheme-indent-function 0))
    (eval . (put 'substitute-keyword-arguments 'scheme-indent-function 1))