diff --git a/scripts/contrithanks.sh b/scripts/contrithanks.sh
index 98eefc8ccd..59db5b876a 100755
--- a/scripts/contrithanks.sh
+++ b/scripts/contrithanks.sh
@@ -79,7 +79,7 @@ tail -n +7 ./docs/THANKS | sed 's/ github/ github/i'  > $rand
   sed 's/, */\n/g'| \
   sed 's/^ *//'
 } | \
-sed -f ./docs/THANKS-filter | \
+LC_ALL=C sed -f ./docs/THANKS-filter | \
 sort -fu | \
 grep -aixvFf ./docs/THANKS >> $rand