diff --git a/src/common/scripting/interface/vmnatives.cpp b/src/common/scripting/interface/vmnatives.cpp
index 2b57ceb25a..1b2b749aae 100644
--- a/src/common/scripting/interface/vmnatives.cpp
+++ b/src/common/scripting/interface/vmnatives.cpp
@@ -41,6 +41,7 @@
 #include "c_cvars.h"
 #include "c_bind.h"
 #include "c_dispatch.h"
+#include "m_misc.h"
 
 #include "menu.h"
 #include "vm.h"
@@ -1032,6 +1033,11 @@ DEFINE_ACTION_FUNCTION(_CVar, FindCVar)
 	ACTION_RETURN_POINTER(FindCVar(name.GetChars(), nullptr));
 }
 
+DEFINE_ACTION_FUNCTION(_CVar, SaveConfig)
+{
+	ACTION_RETURN_BOOL(M_SaveDefaults(nullptr));
+}
+
 //=============================================================================
 //
 //
diff --git a/wadsrc/static/zscript/engine/base.zs b/wadsrc/static/zscript/engine/base.zs
index 18fe1b363e..69f5d66fec 100644
--- a/wadsrc/static/zscript/engine/base.zs
+++ b/wadsrc/static/zscript/engine/base.zs
@@ -689,6 +689,7 @@ struct CVar native
 	};
 
 	native static CVar FindCVar(Name name);
+	native static bool SaveConfig();
 	bool GetBool() { return GetInt(); }
 	native int GetInt();
 	native double GetFloat();