diff --git a/apps/course/filters.py b/apps/course/filters.py
index a86677be..827079e6 100644
--- a/apps/course/filters.py
+++ b/apps/course/filters.py
@@ -4,7 +4,7 @@ from .models import Course
 
 
 class CourseFilter(django_filters.FilterSet):
-    category__title = django_filters.CharFilter(lookup_expr='iexact')
+    category = django_filters.CharFilter(field_name='category__title', lookup_expr='iexact')
 
     class Meta:
         model = Course