diff --git a/feectools/linalg/solvers.py b/feectools/linalg/solvers.py
index 31f084d6f..a90278539 100644
--- a/feectools/linalg/solvers.py
+++ b/feectools/linalg/solvers.py
@@ -74,8 +74,8 @@ def inverse(A, solver, **kwargs):
 
     if isinstance(A, IdentityOperator):
         return A
-    elif isinstance(A, ScaledLinearOperator):
-        return ScaledLinearOperator(domain=A.codomain, codomain=A.domain, c=1/A.scalar, A=inverse(A, solver, **kwargs))
+    # elif isinstance(A, ScaledLinearOperator):
+    #     return ScaledLinearOperator(domain=A.codomain, codomain=A.domain, c=1/A.scalar, A=inverse(A, solver, **kwargs))
     elif isinstance(A, InverseLinearOperator):
         return A.linop