diff --git a/SimPEG/InvProblem.py b/SimPEG/InvProblem.py
index ccc1164f..32a2195c 100644
--- a/SimPEG/InvProblem.py
+++ b/SimPEG/InvProblem.py
@@ -45,6 +45,8 @@ class BaseInvProblem(object):
         self.prob, self.survey = dmisfit.prob, dmisfit.survey
         #TODO: Remove: (and make iteration printers better!)
         self.opt.parent = self
+        self.reg.parent = self
+        self.dmisfit.parent = self
 
     @Utils.callHooks('startup')
     def startup(self, m0):
diff --git a/SimPEG/Regularization.py b/SimPEG/Regularization.py
index 0e231ab8..c758474b 100644
--- a/SimPEG/Regularization.py
+++ b/SimPEG/Regularization.py
@@ -40,7 +40,7 @@ class BaseRegularization(object):
     @property
     def inv(self): return self.parent.inv
     @property
-    def objFunc(self): return self.parent
+    def invProb(self): return self.parent
     @property
     def reg(self): return self
     @property