diff --git a/src/polyrenderer/scene/poly_cull.cpp b/src/polyrenderer/scene/poly_cull.cpp
index 623b6e9df..647dc54a2 100644
--- a/src/polyrenderer/scene/poly_cull.cpp
+++ b/src/polyrenderer/scene/poly_cull.cpp
@@ -70,6 +70,26 @@ void PolyCull::CullNode(void *node)
 
 void PolyCull::CullSubsector(subsector_t *sub)
 {
+	// Mark poly objects first
+	if (sub->polys)
+	{
+		if (sub->BSP == nullptr || sub->BSP->bDirty)
+		{
+			sub->BuildPolyBSP();
+		}
+		
+		if (sub->BSP->Nodes.Size() == 0)
+		{
+			CullSubsector(&sub->BSP->Subsectors[0]);
+		}
+		else
+		{
+			CullNode(&sub->BSP->Nodes.Last());
+		}
+		
+		return; // Hmm, seems a bit strange the subsector is then ignored. But that's what the sw renderer seems to be doing..
+	}
+	
 	// Update sky heights for the scene
 	if (!FirstSkyHeight)
 	{