diff --git a/pcbnew/router/pns_line_placer.cpp b/pcbnew/router/pns_line_placer.cpp
index db3b36ac51..c856d07c71 100644
--- a/pcbnew/router/pns_line_placer.cpp
+++ b/pcbnew/router/pns_line_placer.cpp
@@ -70,7 +70,8 @@ void LINE_PLACER::setWorld( NODE* aWorld )
 
 const VIA LINE_PLACER::makeVia( const VECTOR2I& aP )
 {
-    const LAYER_RANGE layers( m_sizes.GetLayerTop(), m_sizes.GetLayerBottom() );
+    const LAYER_RANGE layers( m_sizes.ViaType() == VIATYPE::THROUGH ? F_Cu : m_sizes.GetLayerTop(),
+                              m_sizes.ViaType() == VIATYPE::THROUGH ? B_Cu : m_sizes.GetLayerBottom() );
 
     return VIA( aP, layers, m_sizes.ViaDiameter(), m_sizes.ViaDrill(), -1, m_sizes.ViaType() );
 }