diff --git a/aleksis/apps/alsijil/assets/components/coursebook/CourseBook.graphql b/aleksis/apps/alsijil/assets/components/coursebook/CourseBook.graphql
index 22f8b1300435a3751260b05527e7cb392bcb24c9..78e83b800fc0dd9877a3c300921a3da9f15fb2c6 100644
--- a/aleksis/apps/alsijil/assets/components/coursebook/CourseBook.graphql
+++ b/aleksis/apps/alsijil/assets/components/coursebook/CourseBook.graphql
@@ -3,7 +3,7 @@ query CourseBook($lessonId: ID!) {
     name
     shortName
   }
-  lesson: lessonsById(id: $lessonId) {
+  lesson: lessonById(id: $lessonId) {
     groups {
       name
       shortName