diff --git a/ql/experimental/processes/hestonslvprocess.cpp b/ql/experimental/processes/hestonslvprocess.cpp
index 0600ab8e623..7bf03dd3e18 100644
--- a/ql/experimental/processes/hestonslvprocess.cpp
+++ b/ql/experimental/processes/hestonslvprocess.cpp
@@ -33,8 +33,8 @@ namespace QuantLib {
         const ext::shared_ptr<HestonProcess>& hestonProcess,
         const ext::shared_ptr<LocalVolTermStructure>& leverageFct,
         const Real mixingFactor)
-    : hestonProcess_(hestonProcess),
-      mixingFactor_(mixingFactor),
+    : mixingFactor_(mixingFactor),
+      hestonProcess_(hestonProcess),
       leverageFct_(leverageFct) {
         registerWith(hestonProcess);
         update();