diff --git a/ngsPETSc/ksp.py b/ngsPETSc/ksp.py
index 6fc87c8..05d0445 100644
--- a/ngsPETSc/ksp.py
+++ b/ngsPETSc/ksp.py
@@ -40,7 +40,7 @@ def createFromMatrix(a, freeDofs, solverParameters):
         mat = Matrix(a, (dofs, freeDofs, None), solverParameters["ngs_mat_type"])
         pscMat = mat.mat
         return (a, pscMat)
-    elif solverParameters["ngs_mat_type"] == "python":
+    if solverParameters["ngs_mat_type"] == "python":
         _, pscMat = createFromAction(a, freeDofs, solverParameters)
         return (a, pscMat)
     raise ValueError("ngs_mat_type {} is not supported.".format(solverParameters["ngs_mat_type"]))