diff --git a/src/.dir-locals.el b/src/.dir-locals.el
new file mode 100644
index 0000000000000000000000000000000000000000..aeb20dbe97f42350ecc56c745477924220bb7c70
--- /dev/null
+++ b/src/.dir-locals.el
@@ -0,0 +1,2 @@
+((nil
+  (indent-tabs-mode . nil)))