diff --git a/rc/filetype/gentoo-linux.kak b/rc/filetype/gentoo-linux.kak
new file mode 100644
index 00000000..251dad16
--- /dev/null
+++ b/rc/filetype/gentoo-linux.kak
@@ -0,0 +1,4 @@
+# portage ebuild file
+hook global BufCreate .*\.ebuild %{
+    set-option buffer filetype sh
+}