diff --git a/src/libecalc/presentation/yaml/validation_errors.py b/src/libecalc/presentation/yaml/validation_errors.py
index 6ecd240eae..d86f32b9ae 100644
--- a/src/libecalc/presentation/yaml/validation_errors.py
+++ b/src/libecalc/presentation/yaml/validation_errors.py
@@ -90,7 +90,7 @@ def __init__(self, message: Optional[str] = None, location: Optional[Location] =
         self._message = message
 
     @property
-    def location(self) -> Optional[str]:
+    def location(self) -> Optional[Location]:
         return self._location
 
     @property