graduation: flatten universal changes

Fixes: 2c78bd116108cbf6843d75fa2570fb457918df20.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/graduation-prod.ts b/src/graduation-prod.ts
index f21aa5d..9ded9a8 100644
--- a/src/graduation-prod.ts
+++ b/src/graduation-prod.ts
@@ -28,7 +28,10 @@ export async function fetchGraduation(student: Student): Promise<Graduation> {
 	if (!graduations.has(student.id)) {
 		const [studentChanges, universalChanges] = await _graduationChangesPromise;
 		const specificChanges = studentChanges.get(student.id) ?? [];
-		const graduation = Graduation.from(student, specificChanges.concat(universalChanges));
+		const graduation = Graduation.from(
+			student,
+			specificChanges.concat(Array.from(universalChanges.values()).flat()),
+		);
 		graduations.set(student.id, graduation);
 		return graduation;
 	}