diff --git a/backend/app/services/report_service.py b/backend/app/services/report_service.py
index 0ca3222..a75e090 100644
--- a/backend/app/services/report_service.py
+++ b/backend/app/services/report_service.py
@@ -728,7 +728,7 @@ class ReportService:
         # Genehmigte Abwesenheiten, die den Monat überlappen
         absences_stmt = (
             select(Absence, AbsenceType)
-            .join(AbsenceType, Absence.absence_type_id == AbsenceType.id)
+            .join(AbsenceType, Absence.type_id == AbsenceType.id)
             .where(
                 Absence.user_id == user_id,
                 Absence.status.in_([AbsenceStatus.APPROVED, AbsenceStatus.FIRST_APPROVED]),