diff --git a/rc/extra/i3.kak b/rc/extra/i3.kak
index f82a55fc..75cb2aaa 100644
--- a/rc/extra/i3.kak
+++ b/rc/extra/i3.kak
@@ -1,3 +1,7 @@
+hook global BufCreate .*(sway|i3)/config %{
+    set buffer filetype i3
+}
+
 add-highlighter shared/ regions -default code i3 \
     string %{"} %{"} "" \
     string %{'} %{'} "" \