diff --git a/tinygrad/tensor.py b/tinygrad/tensor.py
index 20c1cceb61..94b5aefa58 100644
--- a/tinygrad/tensor.py
+++ b/tinygrad/tensor.py
@@ -1303,10 +1303,10 @@ class Tensor(SimpleMathTrait):  # pylint: disable=abstract-method
     final_shape = [r*s for r,s in zip(repeats, base_shape)]
     return self.reshape(unsqueezed_shape).expand(expanded_shape).reshape(final_shape)
 
-  def _resolve_dim(self, dim:int, *, outer:bool=False) -> int:
-    if not -max(1, self.ndim+outer) <= dim < max(1, self.ndim+outer):
-      raise IndexError(f"{dim=} out of range {[-max(1, self.ndim+outer), max(1, self.ndim+outer)-1]}")
-    return dim + self.ndim+outer if dim < 0 else dim
+  def _resolve_dim(self, dim:int, *, extra:bool=False) -> int:
+    total = self.ndim + int(extra)
+    if not -max(1, total) <= dim <= max(1, total)-1: raise IndexError(f"{dim=} out of range {[-max(1, total), max(1, total)-1]}")
+    return dim + total if dim < 0 else dim
 
   def split(self, sizes:Union[int, List[int]], dim:int=0) -> Tuple[Tensor, ...]:
     """
@@ -1389,7 +1389,7 @@ class Tensor(SimpleMathTrait):  # pylint: disable=abstract-method
     print(t.unsqueeze(1).numpy())
     ```
     """
-    dim = self._resolve_dim(dim, outer=True)
+    dim = self._resolve_dim(dim, extra=True)
     return self.reshape(self.shape[:dim] + (1,) + self.shape[dim:])
 
   @property