diff --git a/src/dsectoreffect.cpp b/src/dsectoreffect.cpp
index b1d517fe77..38fd548bd3 100644
--- a/src/dsectoreffect.cpp
+++ b/src/dsectoreffect.cpp
@@ -78,6 +78,11 @@ void DSectorEffect::Serialize(FSerializer &arc)
 
 DEFINE_FIELD(DSectorEffect, m_Sector)
 
+DEFINE_ACTION_FUNCTION(DSectorEffect, GetSector)
+{
+	PARAM_SELF_PROLOGUE(DSectorEffect);
+	ACTION_RETURN_POINTER(self->GetSector());
+}
 
 IMPLEMENT_CLASS(DMover, true, true)
 
diff --git a/src/p_lights.cpp b/src/p_lights.cpp
index 504095a40b..2a52692b50 100644
--- a/src/p_lights.cpp
+++ b/src/p_lights.cpp
@@ -191,7 +191,6 @@ DLighting::DLighting (sector_t *sector)
 	: DSectorEffect (sector)
 {
 	ChangeStatNum (STAT_LIGHT);
-	sector->lightingdata = this;
 }
 
 //-----------------------------------------------------------------------------
diff --git a/wadsrc/static/zscript/base.txt b/wadsrc/static/zscript/base.txt
index 5d30435b59..52aa13e556 100644
--- a/wadsrc/static/zscript/base.txt
+++ b/wadsrc/static/zscript/base.txt
@@ -795,6 +795,8 @@ struct StringStruct native
 class SectorEffect : Thinker native
 {
 	native protected Sector m_Sector;
+
+	native clearscope Sector GetSector();
 }
 
 class Mover : SectorEffect native