diff --git a/vskernels/kernels/complex.py b/vskernels/kernels/complex.py
index 36a8a8c..70cf2df 100644
--- a/vskernels/kernels/complex.py
+++ b/vskernels/kernels/complex.py
@@ -32,7 +32,7 @@ def func(
             from ..util import LinearLight
 
             has_custom_op = hasattr(self, f'_linear_{op_name}')
-            operation = getattr(self, f'_linear_{op_name}') if has_custom_op else super().scale  # type: ignore
+            operation = getattr(self, f'_linear_{op_name}') if has_custom_op else getattr(super(), op_name)
             sigmoid = self.orig_kwargs.get('sigmoid', sigmoid)
             linear = self.orig_kwargs.get('linear', False) or linear or not not sigmoid