diff --git a/wiki_pages/FilmsByReference.py b/wiki_pages/FilmsByReference.py
index 1c3504d..ae9634e 100644
--- a/wiki_pages/FilmsByReference.py
+++ b/wiki_pages/FilmsByReference.py
@@ -51,8 +51,11 @@ def get_films_by_reference(viewings):
                                 page_url = VCinemaUtils.generate_wikipedia_url(page_title)
 
                         if page_title in films_by_reference.keys():
-                            films_by_reference[page_title]["films"].append(viewing)
                             films_by_reference[page_title]["keywords"].append(keyword)
+
+                            if viewing not in films_by_reference[page_title]["films"]:
+                                films_by_reference[page_title]["films"].append(viewing)
+
                         else:
                             films_by_reference[page_title] = {"url": page_url,
                                                               "keywords": [keyword],