diff --git a/scripts/vim_na_hunks_c.txt b/scripts/vim_na_hunks_c.txt
index e6e81fb499..63788b6477 100644
--- a/scripts/vim_na_hunks_c.txt
+++ b/scripts/vim_na_hunks_c.txt
@@ -49,6 +49,7 @@
 ^mch_job_[a-z]\+(
 ^mch_[_a-z]\+_job(job_T
 ^mem_[a-zA-Z0-9_]\+(
+^parse_argument_types(
 ^parse_queued_messages(
 ^restore_buffer(bufref_T
 ^static int included_patches\[\] =