diff --git a/timm/models/mambaout.py b/timm/models/mambaout.py
index 3cc6e08253..f53a9cdfc2 100644
--- a/timm/models/mambaout.py
+++ b/timm/models/mambaout.py
@@ -151,7 +151,7 @@ def __init__(
             self.num_features = in_features
             self.pre_logits = nn.Identity()
 
-        self.fc = nn.Linear(hidden_size, num_classes, bias=bias) if num_classes > 0 else nn.Identity()
+        self.fc = nn.Linear(self.num_features, num_classes, bias=bias) if num_classes > 0 else nn.Identity()
         self.head_dropout = nn.Dropout(drop_rate)
 
     def reset(self, num_classes: int, pool_type: Optional[str] = None, reset_other: bool = False):