diff --git a/rc/core/asciidoc.kak b/rc/core/asciidoc.kak
index a7bb1539..308d211f 100644
--- a/rc/core/asciidoc.kak
+++ b/rc/core/asciidoc.kak
@@ -4,7 +4,9 @@
 # Detection
 # ‾‾‾‾‾‾‾‾‾
 
-hook global BufCreate .*\.asciidoc %{ set buffer filetype asciidoc }
+hook global BufCreate .+\.(a(scii)?doc|asc) %{
+    set buffer filetype asciidoc
+}
 
 # Highlighters
 # ‾‾‾‾‾‾‾‾‾‾‾‾