diff --git a/SimPEG/forward/DCProblem.py b/SimPEG/forward/DCProblem.py
index a2ab3967..b8e8248d 100644
--- a/SimPEG/forward/DCProblem.py
+++ b/SimPEG/forward/DCProblem.py
@@ -7,7 +7,7 @@ import numpy as np
 import scipy.sparse as sp
 import scipy.sparse.linalg as linalg
 
-class DCProblem(Problem, ModelTransforms.LogModel):
+class DCProblem(ModelTransforms.LogModel, Problem):
     """
         **DCProblem**
 
diff --git a/SimPEG/forward/ModelTransforms.py b/SimPEG/forward/ModelTransforms.py
index 8b7dc65a..ea89b974 100644
--- a/SimPEG/forward/ModelTransforms.py
+++ b/SimPEG/forward/ModelTransforms.py
@@ -1,5 +1,5 @@
 import numpy as np
-
+from SimPEG.utils import mkvc, sdiag
 
 class LogModel(object):
     """docstring for LogModel"""