diff --git a/src/scifem/solvers.py b/src/scifem/solvers.py
index 90a6977..bc20fea 100644
--- a/src/scifem/solvers.py
+++ b/src/scifem/solvers.py
@@ -234,7 +234,7 @@ def J(self):
         The Jacobian blocks represented as lists of lists where each entry
         is a ``dolfinx.fem.Form``.
         """
-        return self
+        return self._J
 
     def __del__(self):
         """Clean up the solver by destroying PETSc objects."""