diff --git a/scripts/check_alphabetical_sorting.sh b/scripts/check_alphabetical_sorting.sh
old mode 100644
new mode 100755
index bad0abc..d9815e1
--- a/scripts/check_alphabetical_sorting.sh
+++ b/scripts/check_alphabetical_sorting.sh
@@ -1,3 +1,3 @@
 # Returns a non-zero exit code if the data sites are not alphabetically sorted.
 
-grep 'domain:' _data/sites.yml | grep -v '512kb.club' | tr '[:upper:]' '[:lower:]' | sort -c
+grep 'domain:' ../_data/sites.yml | grep -v '512kb.club' | tr '[:upper:]' '[:lower:]' | sort -c