diff --git a/autoPyTorch/utils/common.py b/autoPyTorch/utils/common.py
index 4e4d4e804..a443068f5 100644
--- a/autoPyTorch/utils/common.py
+++ b/autoPyTorch/utils/common.py
@@ -101,6 +101,9 @@ def __eq__(self, other: Any) -> bool:
     def __hash__(self) -> int:
         return hash(self.value)
 
+    def __str__(self) -> str:
+        return str(self.value)
+
 
 def custom_collate_fn(batch: List) -> List[Optional[torch.Tensor]]:
     """