diff --git a/contrib/spell-checker b/contrib/spell-checker
index 571f715d..6d2944c7 100755
--- a/contrib/spell-checker
+++ b/contrib/spell-checker
@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 #
 # see https://github.com/codespell-project/codespell
 #
@@ -6,4 +6,9 @@
 #  - pip install codespell
 #  - add ~/.local/bin to PATH
 
-codespell $* -L "tim,gonna,cas,tage,lightening,wither" `git ls-files|egrep -v '_fuzzer.in|_fuzzer.repro|\.der$|gnulib|ChangeLog'`
+set -e
+
+codespell $* -L "tim,gonna,cas,referer,fpr,vas,msdos,ifset,ba,tage,tolen,files',hist" `git ls-files|\
+  egrep -v '_fuzzer.in|_fuzzer.repro|\.der$|\.pem$|gnulib|ChangeLog|tests/gpg|\.png$|\.dat$|contrib/spell-checker|tests/certs/.*\.crt'`
+
+#codespell $* -L "tim,gonna,cas,te,referer,ist,fpr,vas" src/wget.c contrib/spell-checker