diff --git a/src/server/BreCal/validators/input_validation_shipcall.py b/src/server/BreCal/validators/input_validation_shipcall.py
index ff86287..060909f 100644
--- a/src/server/BreCal/validators/input_validation_shipcall.py
+++ b/src/server/BreCal/validators/input_validation_shipcall.py
@@ -498,7 +498,7 @@ class InputValidationShipcall():
 
         # if the *existing* shipcall in the database is canceled, it may not be changed
         if shipcall.get("canceled", False):
-            raise ValidationError({"canceled":f"The shipcall with id 'shipcall_id' is canceled. A canceled shipcall may not be changed."})
+            raise ValidationError({"canceled":f"The shipcall with id {shipcall_id} is canceled. A canceled shipcall may not be changed."})
         return
 
     @staticmethod