diff --git a/app/__init__.py b/app/__init__.py
index 1fb27aa..6e7a525 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -57,7 +57,7 @@ def create_app(test_config=None):
             else:
                 response.headers["Cache-Control"] = "public, max-age=3600, immutable"
         elif response.mimetype == "text/html":
-            response.headers["Cache-Control"] = "private, no-store,"
+            response.headers["Cache-Control"] = "private, no-store"
         return response
 
     @login_manager.user_loader