diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index 67f7d1685..c9693ba47 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -4084,7 +4084,7 @@ AActor *AActor::StaticSpawn (const PClass *type, fixed_t ix, fixed_t iy, fixed_t
 	}
 	else
 	{
-		actor->SpawnPoint[2] = (actor->Z() - actor->floorz);
+		actor->SpawnPoint[2] = (actor->Z() - actor->Sector->floorplane.ZatPoint(actor));
 	}
 
 	if (actor->FloatBobPhase == (BYTE)-1) actor->FloatBobPhase = rng();	// Don't make everything bob in sync (unless deliberately told to do)