diff --git a/.dir-locals.el b/.dir-locals.el
new file mode 100644
index 0000000..eee7813
--- /dev/null
+++ b/.dir-locals.el
@@ -0,0 +1,13 @@
+((nil
+  .
+  ((indent-tabs-mode . nil)))
+ (makefile-mode
+  (indent-tabs-mode . t))
+ (scheme-mode
+  .
+  ((geiser-active-implementations . (guile))
+   (eval
+    .
+    (progn
+      (let ((top (locate-dominating-file default-directory ".dir-locals.el")))
+        (add-to-list 'geiser-guile-load-path top)))))))