diff --git a/api/v1/serializers/course.py b/api/v1/serializers/course.py
index 833dd98a..6034d5d3 100644
--- a/api/v1/serializers/course.py
+++ b/api/v1/serializers/course.py
@@ -135,7 +135,7 @@ class CourseCreateSerializer(DispatchContentMixin,
         gallery = validated_data.pop('gallery', {})
         course = super().update(instance, validated_data)
         self.dispatch_materials(course, materials)
-        self.dispatch_content(course, content, materials)
+        self.dispatch_content(course, content)
         self.dispatch_gallery(course, gallery)
         return course