diff --git a/HARK/ConsumptionSaving/ConsIndShockModel.py b/HARK/ConsumptionSaving/ConsIndShockModel.py
index a8f52f5d7..d9b8a87d3 100644
--- a/HARK/ConsumptionSaving/ConsIndShockModel.py
+++ b/HARK/ConsumptionSaving/ConsIndShockModel.py
@@ -2011,6 +2011,9 @@ def makeEulerErrorFunc(self,mMax=100,approx_inc_dstn=True):
         self.eulerErrorFunc = eulerErrorFunc
 
     def preSolve(self):
+        # Update all income process variables to match any attributes that might
+        # have been changed since `__init__` or `solve()` was last called.
+        self.updateIncomeProcess()
         self.updateSolutionTerminal()
         if not self.quiet:
             self.checkConditions(verbose=self.verbose,public_call=False)