diff --git a/nicegui/elements/mixins/validation_element.py b/nicegui/elements/mixins/validation_element.py
index ff3d9f7e0..6a284addc 100644
--- a/nicegui/elements/mixins/validation_element.py
+++ b/nicegui/elements/mixins/validation_element.py
@@ -12,6 +12,7 @@ def __init__(self, validation: Optional[Union[Callable[..., Optional[str]], Dict
         self._auto_validation = True
         self._error: Optional[str] = None
         super().__init__(**kwargs)
+        self._props['error'] = False  # NOTE: reserve bottom space for error message
 
     @property
     def error(self) -> Optional[str]: