diff --git a/dmedvedev/11.2 Pet project Effective courses.sql b/dmedvedev/11.2 Pet project Effective courses.sql
index 024b877..e1e8b7e 100644
--- a/dmedvedev/11.2 Pet project Effective courses.sql	
+++ b/dmedvedev/11.2 Pet project Effective courses.sql	
@@ -4,7 +4,7 @@ CREATE MATERIALIZED VIEW course_summary AS
 WITH unique_users AS (
 	SELECT 
 		pe.course_id,
-		COUNT(*) AS unique_users
+		COUNT(DISTINCT pe.user_id) AS unique_users
 	FROM pet_enrollments pe
 	GROUP BY pe.course_id 
 	ORDER BY pe.course_id