diff --git a/src/newsreader/news/core/tests/factories.py b/src/newsreader/news/core/tests/factories.py
index 0c15744..966e70b 100644
--- a/src/newsreader/news/core/tests/factories.py
+++ b/src/newsreader/news/core/tests/factories.py
@@ -35,7 +35,7 @@ class PostFactory(factory.django.DjangoModelFactory):
 
 class RedditPostFactory(PostFactory):
     remote_identifier = factory.Faker("uuid4")
-    url = factory.fuzzy.FuzzyText(length=10, prefix=REDDIT_URL)
+    url = factory.fuzzy.FuzzyText(length=10, prefix=f"{REDDIT_URL}/")
     rule = factory.SubFactory(
         "newsreader.news.collection.tests.factories.SubredditFactory"
     )