1 files changed, 5 insertions, 1 deletions
diff --git a/js/mock.js b/js/mock.js
index 02ff5bf..fe60ef3 100644
--- a/js/mock.js
+++ b/js/mock.js
@@ -69,7 +69,11 @@ function fetchGraduationMock(s) {
 }
 
 function submitGraduationChangeMock(s, c) {
-	s.graduation.addChange(c);
+	if (s.graduation) {
+		s.graduation.addChange(c);
+	} else {
+		s.graduation = Graduation.from(s, [c]);
+	}
 }
 
 export {