diff --git a/pcbnew/zone_filler.cpp b/pcbnew/zone_filler.cpp
index e62f30761b..9053b1e51c 100644
--- a/pcbnew/zone_filler.cpp
+++ b/pcbnew/zone_filler.cpp
@@ -35,6 +35,7 @@
 #include <pcb_track.h>
 #include <pcb_text.h>
 #include <pcb_textbox.h>
+#include <pcb_dimension.h>
 #include <fp_text.h>
 #include <fp_textbox.h>
 #include <connectivity/connectivity_data.h>
@@ -871,6 +872,19 @@ void ZONE_FILLER::addKnockout( BOARD_ITEM* aItem, PCB_LAYER_ID aLayer, int aGap,
         break;
     }
 
+    case PCB_DIM_ALIGNED_T:
+    case PCB_DIM_LEADER_T:
+    case PCB_DIM_CENTER_T:
+    case PCB_DIM_RADIAL_T:
+    case PCB_DIM_ORTHOGONAL_T:
+    {
+        PCB_DIMENSION_BASE* dim = static_cast<PCB_DIMENSION_BASE*>( aItem );
+
+        dim->TransformShapeToPolygon( aHoles, aLayer, aGap, m_maxError, ERROR_OUTSIDE, false );
+        dim->PCB_TEXT::TransformShapeToPolygon( aHoles, aLayer, aGap, m_maxError, ERROR_OUTSIDE );
+        break;
+    }
+
     default:
         aItem->TransformShapeToPolygon( aHoles, aLayer, aGap, m_maxError, ERROR_OUTSIDE,
                                         aIgnoreLineWidth );