diff --git a/vskernels/kernels/abstract.py b/vskernels/kernels/abstract.py
index 7bb4194..d6339c1 100644
--- a/vskernels/kernels/abstract.py
+++ b/vskernels/kernels/abstract.py
@@ -297,8 +297,8 @@ def descale(  # type: ignore[override]
                 sh if isinstance(sh, tuple) else (sh, sh) for sh in shift
             )
 
-            kwargs_tf, shift = sample_grid_model.for_descale(clip, width, height, (shift_y[0], shift_x[0]), **kwargs)
-            kwargs_bf, shift = sample_grid_model.for_descale(clip, width, height, (shift_y[1], shift_x[1]), **kwargs)
+            kwargs_tf, shift = sample_grid_model.for_src(clip, width, height, (shift_y[0], shift_x[0]), **kwargs)
+            kwargs_bf, shift = sample_grid_model.for_src(clip, width, height, (shift_y[1], shift_x[1]), **kwargs)
 
             de_kwargs_tf = self.get_descale_args(clip, (shift_y[0], shift_x[0]), *de_base_args, **kwargs_tf)
             de_kwargs_bf = self.get_descale_args(clip, (shift_y[1], shift_x[1]), *de_base_args, **kwargs_bf)
@@ -322,7 +322,7 @@ def descale(  # type: ignore[override]
             if any(isinstance(sh, tuple) for sh in shift):
                 raise CustomValueError('You can\'t descale per-field when the input is progressive!', self.descale)
 
-            kwargs, shift = sample_grid_model.for_descale(clip, width, height, shift, **kwargs)  # type: ignore
+            kwargs, shift = sample_grid_model.for_src(clip, width, height, shift, **kwargs)  # type: ignore
 
             de_kwargs = self.get_descale_args(clip, shift, *de_base_args, **kwargs)  # type: ignore
 
diff --git a/vskernels/kernels/complex.py b/vskernels/kernels/complex.py
index 0ca8f9c..afa9cab 100644
--- a/vskernels/kernels/complex.py
+++ b/vskernels/kernels/complex.py
@@ -196,7 +196,7 @@ def scale(  # type: ignore[override]
 
             kwargs, shift, out_sar = self._handle_crop_resize_kwargs(clip, width, height, shift, **kwargs)
 
-            kwargs, shift = sample_grid_model.for_scale(clip, width, height, shift, **kwargs)
+            kwargs, shift = sample_grid_model.for_dst(clip, width, height, shift, **kwargs)
 
             padded = border_handling.prepare_clip(clip, self.kernel_radius)
 
diff --git a/vskernels/types.py b/vskernels/types.py
index d321595..d892b40 100644
--- a/vskernels/types.py
+++ b/vskernels/types.py
@@ -59,7 +59,7 @@ def __call__(
 
         return kwargs, shift
 
-    def for_scale(
+    def for_dst(
         self, clip: vs.VideoNode, width: int, height: int, shift: tuple[float, float], **kwargs: Any
     ) -> tuple[KwargsT, tuple[float, float]]:
         src_width = kwargs.get('src_width', width)
@@ -67,7 +67,7 @@ def for_scale(
 
         return self(src_width, src_height, width, height, shift, kwargs)
 
-    def for_descale(
+    def for_src(
         self, clip: vs.VideoNode, width: int, height: int, shift: tuple[float, float], **kwargs: Any
     ) -> tuple[KwargsT, tuple[float, float]]:
         src_width = kwargs.get('src_width', clip.width)