diff --git a/pcbnew/pcb_text.cpp b/pcbnew/pcb_text.cpp
index 8ba1b33a7e..8482ebd211 100644
--- a/pcbnew/pcb_text.cpp
+++ b/pcbnew/pcb_text.cpp
@@ -341,5 +341,9 @@ static struct PCB_TEXT_DESC
         propMgr.AddTypeCast( new TYPE_CAST<PCB_TEXT, EDA_TEXT> );
         propMgr.InheritsAfter( TYPE_HASH( PCB_TEXT ), TYPE_HASH( BOARD_ITEM ) );
         propMgr.InheritsAfter( TYPE_HASH( PCB_TEXT ), TYPE_HASH( EDA_TEXT ) );
+
+        propMgr.AddProperty( new PROPERTY<PCB_TEXT, bool, BOARD_ITEM>( _HKI( "Knockout" ),
+                &BOARD_ITEM::SetIsKnockout, &BOARD_ITEM::IsKnockout ),
+                _HKI( "Text Properties" ) );
     }
 } _PCB_TEXT_DESC;