diff --git a/Docs/Luadoc/Lua.xml b/Docs/Luadoc/Lua.xml
index 6009181605..2037198e4d 100644
--- a/Docs/Luadoc/Lua.xml
+++ b/Docs/Luadoc/Lua.xml
@@ -1150,6 +1150,7 @@
 			<Function name='PreferenceExists'/>
 			<Function name='SetPreference'/>
 			<Function name='SetPreferenceToDefault'/>
+			<Function name='SavePreferences'/>
 		</Class>
 		<Class name='Profile'>
 			<Function name='AddCaloriesToDailyTotal'/>
diff --git a/Docs/Luadoc/LuaDocumentation.xml b/Docs/Luadoc/LuaDocumentation.xml
index cad9107811..8ea2324dbf 100644
--- a/Docs/Luadoc/LuaDocumentation.xml
+++ b/Docs/Luadoc/LuaDocumentation.xml
@@ -3302,6 +3302,9 @@ save yourself some time, copy this for undocumented things:
 	<Function name='SetPreferenceToDefault' return='void' arguments='string sPreference'>
 		Reset preference <code>sPreference</code> to the default value.
 	</Function>
+	<Function name='SavePreferences' return='void' arguments=''>
+		Saves preferences to disk.
+	</Function>
 </Class>
 <Class name='Profile'>
 	<Function name='AddCaloriesToDailyTotal' return='void' arguments='float cals'>
diff --git a/src/PrefsManager.cpp b/src/PrefsManager.cpp
index cb17ace911..1a967e2745 100644
--- a/src/PrefsManager.cpp
+++ b/src/PrefsManager.cpp
@@ -586,13 +586,16 @@ public:
 		lua_pushboolean( L, true );
 		return 1;
 	}
-
+	
+	static int SavePreferences( T* p, lua_State *L ) { p->SavePrefsToDisk(); return 0; }
+	
 	LunaPrefsManager()
 	{
 		ADD_METHOD( GetPreference );
 		ADD_METHOD( SetPreference );
 		ADD_METHOD( SetPreferenceToDefault );
 		ADD_METHOD( PreferenceExists );
+		ADD_METHOD( SavePreferences );
 	}
 };