diff --git a/source/core/actorlist.cpp b/source/core/actorlist.cpp
index b10218029..645f5955d 100644
--- a/source/core/actorlist.cpp
+++ b/source/core/actorlist.cpp
@@ -447,21 +447,21 @@ void InitSpriteLists()
 //
 //==========================================================================
 
-void SetActor(DCoreActor* actor, const vec3_t* newpos)
+void SetActor(DCoreActor* actor, const DVector3& newpos)
 {
 	auto tempsector = actor->sector();
-	actor->set_int_pos(*newpos);
-	updatesector(newpos->X, newpos->Y, &tempsector);
+	actor->spr.pos = newpos;
+	updatesector(newpos, &tempsector);
 
 	if (tempsector && tempsector != actor->sector())
 		ChangeActorSect(actor, tempsector);
 }
 
-void SetActorZ(DCoreActor* actor, const vec3_t* newpos)
+void SetActorZ(DCoreActor* actor, const DVector3& newpos)
 {
 	auto tempsector = actor->sector();
-	actor->set_int_pos(*newpos);
-	updatesectorz(newpos->X, newpos->Y, newpos->Z, &tempsector);
+	actor->spr.pos = newpos;
+	updatesectorz(newpos, &tempsector);
 
 	if (tempsector && tempsector != actor->sector())
 		ChangeActorSect(actor, tempsector);
diff --git a/source/core/coreactor.h b/source/core/coreactor.h
index 1f212da4c..97ec71603 100644
--- a/source/core/coreactor.h
+++ b/source/core/coreactor.h
@@ -530,24 +530,19 @@ int ChangeActorStat(DCoreActor* actor, int nStatus, bool forcetail = false);
 void InitSpriteLists();
 
 
-void SetActorZ(DCoreActor* actor, const vec3_t* newpos);
-void SetActor(DCoreActor* actor, const vec3_t* newpos);
+void SetActorZ(DCoreActor* actor, const DVector3& newpos);
+void SetActor(DCoreActor* actor, const DVector3& newpos);
 
-inline void SetActorZ(DCoreActor* actor, const vec3_t& newpos)
+inline void SetActor(DCoreActor* actor, const vec3_t* newpos)
 {
-	SetActorZ(actor, &newpos);
+	DVector3 ipos = { newpos->X * inttoworld, newpos->Y * inttoworld, newpos->Z * zinttoworld };
+	SetActor(actor, ipos);
 }
 
-inline void SetActor(DCoreActor* actor, const DVector3& newpos)
+inline void SetActorZ(DCoreActor* actor, const vec3_t* newpos)
 {
-	vec3_t ipos = { int(newpos.X * worldtoint), int(newpos.Y * worldtoint), int(newpos.Z * zworldtoint) };
-	SetActor(actor, &ipos);
-}
-
-inline void SetActorZ(DCoreActor* actor, const DVector3& newpos)
-{
-	vec3_t ipos = { int(newpos.X * worldtoint), int(newpos.Y * worldtoint), int(newpos.Z * zworldtoint) };
-	SetActorZ(actor, &ipos);
+	DVector3 ipos = { newpos->X * inttoworld, newpos->Y * inttoworld, newpos->Z * zinttoworld };
+	SetActorZ(actor, ipos);
 }
 
 inline int clipmove(vec3_t& pos, sectortype** const sect, int xvect, int yvect,