diff --git a/src/dsectoreffect.cpp b/src/dsectoreffect.cpp
index 466675dbcb..e02af8ccf0 100644
--- a/src/dsectoreffect.cpp
+++ b/src/dsectoreffect.cpp
@@ -72,6 +72,9 @@ void DSectorEffect::Serialize(FSerializer &arc)
 	arc("sector", m_Sector);
 }
 
+DEFINE_FIELD(DSectorEffect, m_Sector)
+
+
 IMPLEMENT_CLASS(DMover, false, true)
 
 IMPLEMENT_POINTERS_START(DMover)
diff --git a/src/dsectoreffect.h b/src/dsectoreffect.h
index e72e5bc56b..bdd2aa7133 100644
--- a/src/dsectoreffect.h
+++ b/src/dsectoreffect.h
@@ -16,9 +16,11 @@ public:
 
 	sector_t *GetSector() const { return m_Sector; }
 
-protected:
-	DSectorEffect ();
 	sector_t *m_Sector;
+
+protected:
+	DSectorEffect();
+
 };
 
 class DMover : public DSectorEffect
diff --git a/wadsrc/static/zscript/base.txt b/wadsrc/static/zscript/base.txt
index 06259c1f48..5315c22c4f 100644
--- a/wadsrc/static/zscript/base.txt
+++ b/wadsrc/static/zscript/base.txt
@@ -717,3 +717,13 @@ struct LookExParams
 	int flags;
 	State seestate;
 };
+
+class SectorEffect : Thinker native
+{
+	native protected Sector m_Sector;
+}
+
+class Lighting : SectorEffect native
+{
+}
+