diff --git a/src/utils/course-utils.ts b/src/utils/course-utils.ts
index bd4d32f..5d0547d 100644
--- a/src/utils/course-utils.ts
+++ b/src/utils/course-utils.ts
@@ -24,6 +24,9 @@ export class CourseUtils
 
             // Skip courses without assignments
             if (course.assignments.length == 0) return;
+            
+            // Skip if there are no grading scale
+            if (course.grading.method == 'NOT_GRADED') return;
 
             // Add it to the list
             result.push(course);