diff --git a/src/routes/courses/[id]/attendance.svelte b/src/routes/courses/[id]/attendance.svelte
index c557e8e3..2f9bd95c 100644
--- a/src/routes/courses/[id]/attendance.svelte
+++ b/src/routes/courses/[id]/attendance.svelte
@@ -62,7 +62,7 @@
       ? $attendance[student.id][lesson.id] || {}
       : {};
 
-    if (attendanceItem.id) {
+    if (!attendanceItem.id) {
       $snackbarStore.open = true;
       $snackbarStore.severity = SNACKBAR_SEVERITY.ERROR;
       $snackbarStore.message =