diff --git a/gtsam/linear/PCGSolver.cpp b/gtsam/linear/PCGSolver.cpp
index 27eb57b44..db17f1844 100644
--- a/gtsam/linear/PCGSolver.cpp
+++ b/gtsam/linear/PCGSolver.cpp
@@ -33,6 +33,7 @@ void PCGSolverParameters::print(ostream &os) const {
 
 /*****************************************************************************/
 PCGSolver::PCGSolver(const PCGSolverParameters &p) {
+  parameters_ = p;
   preconditioner_ = createPreconditioner(p.preconditioner_);
 }