diff --git a/src/g_level.cpp b/src/g_level.cpp
index 2a2d6471a9..7eeb443fbd 100644
--- a/src/g_level.cpp
+++ b/src/g_level.cpp
@@ -1439,12 +1439,14 @@ void G_AirControlChanged ()
 //
 //
 //==========================================================================
+void gl_SerializeGlobals(FArchive &arc);
 
 void G_SerializeLevel (FArchive &arc, bool hubLoad)
 {
 	int i = level.totaltime;
 	
 	Renderer->StartSerialize(arc);
+	gl_SerializeGlobals(arc);
 
 	arc << level.flags
 		<< level.flags2
diff --git a/src/gl/scene/gl_scene.cpp b/src/gl/scene/gl_scene.cpp
index 79d21e4e31..395403690a 100644
--- a/src/gl/scene/gl_scene.cpp
+++ b/src/gl/scene/gl_scene.cpp
@@ -999,6 +999,10 @@ void FGLInterface::StateChanged(AActor *actor)
 void FGLInterface::StartSerialize(FArchive &arc)
 {
 	gl_DeleteAllAttachedLights();
+}
+
+void gl_SerializeGlobals(FArchive &arc)
+{
 	arc << fogdensity << outsidefogdensity << skyfog;
 }