diff --git a/lisp/init-file-type.el b/lisp/init-file-type.el
index 28a916a2b..b25b9da27 100644
--- a/lisp/init-file-type.el
+++ b/lisp/init-file-type.el
@@ -15,6 +15,7 @@
                   "\\.pgpass\\'"
                   "\\.?muttrc\\'"
                   "\\.mailcap\\'"
+                  "default\\.pa\\'" ; pulseaudio configuration file
                   "yarn\\.lock\\'")
 ;; }}