diff --git a/src/engine/engine.h b/src/engine/engine.h
index 0248dd94b..242e465dd 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -220,7 +220,7 @@ struct DivDispatchContainer {
   void fillBuf(size_t runtotal, size_t offset, size_t size);
   void clear();
   void init(DivSystem sys, DivEngine* eng, int chanCount, double gotRate, const DivConfig& flags, bool isRender=false);
-  void quit(bool saveConfig=true);
+  void quit();
   DivDispatchContainer():
     dispatch(NULL),
     bbInLen(0),
@@ -1252,7 +1252,7 @@ class DivEngine {
     void everythingOK();
 
     // terminate the engine.
-    bool quit();
+    bool quit(bool saveConfig=true);
 
     unsigned char* yrw801ROM;
     unsigned char* tg100ROM;
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 170f58fa5..9d95d1595 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -7246,7 +7246,7 @@ bool FurnaceGUI::finish(bool saveConfig) {
   commitState();
   if (saveConfig) {
     logI("saving config.");
-    saveConf();
+    e->saveConf();
   }
   rend->quitGUI();
   ImGui_ImplSDL2_Shutdown();