diff --git a/timm/models/davit.py b/timm/models/davit.py
index 87007086..44d2c365 100644
--- a/timm/models/davit.py
+++ b/timm/models/davit.py
@@ -45,7 +45,7 @@ class SequentialWithSize(nn.Sequential):
 
 class SequentialWithSize(nn.Sequential):
     def __init__(self, *args, **kwargs):
-        super(SequentialWithSize, self).__init__(*args, **kwargs)
+        super(SequentialWithSize, nn.Sequential, self).__init__(*args, **kwargs)
         
     def forward(self, x : Tensor, size: Tuple[int, int]):
         for module in self._modules.values():