diff --git a/update_films_by_country.py b/update_films_by_country.py
index 1e00617..e7ce0b7 100644
--- a/update_films_by_country.py
+++ b/update_films_by_country.py
@@ -38,7 +38,7 @@ def build_page(films_by_country):
 def get_flags_dict():
     flags = {}
 
-    with open('country_flags.csv', newline='') as f:
+    with open('country-flags.csv', newline='') as f:
         reader = csv.reader(f, quotechar="\"")
         next(reader, None)  # skip the headers