Index: trunk/src/data.c
===================================================================
--- trunk/src/data.c	(revision 13068)
+++ trunk/src/data.c	(revision 13069)
@@ -416,7 +416,7 @@
 	PCB_END_LOOP;
 	PCB_PADSTACK_LOOP(data);
 	{
-		pcb_pstk_mirror(padstack, y_offs);
+		pcb_pstk_mirror(padstack, y_offs, 1);
 	}
 	PCB_END_LOOP;
 	PCB_SUBC_LOOP(data);
Index: trunk/src/obj_pstk.c
===================================================================
--- trunk/src/obj_pstk.c	(revision 13068)
+++ trunk/src/obj_pstk.c	(revision 13069)
@@ -628,7 +628,7 @@
 	return 0;
 }
 
-void pcb_pstk_mirror(pcb_pstk_t *ps, pcb_coord_t y_offs)
+void pcb_pstk_mirror(pcb_pstk_t *ps, pcb_coord_t y_offs, int swap_side)
 {
 	int xmirror = ps->xmirror;
 	pcb_pstk_change_instance(ps, NULL, NULL, NULL, &xmirror);
@@ -639,6 +639,8 @@
 			pcb_r_delete_entry(ps->parent.data->padstack_tree, (pcb_box_t *)ps);
 
 		ps->y = PCB_SWAP_Y(ps->y) + y_offs;
+		if ((swap_side) && (ps->rot != 0))
+			ps->rot = -ps->rot;
 		pcb_pstk_bbox(ps);
 
 		if (ps->parent.data->padstack_tree != NULL)
Index: trunk/src/obj_pstk.h
===================================================================
--- trunk/src/obj_pstk.h	(revision 13068)
+++ trunk/src/obj_pstk.h	(revision 13069)
@@ -161,8 +161,8 @@
 void pcb_pstk_proto_del_shape(pcb_pstk_proto_t *proto, pcb_layer_type_t lyt, pcb_layer_combining_t comb);
 void pcb_pstk_proto_del_shape_idx(pcb_pstk_proto_t *proto, int idx);
 
-/* Mirror a padstack (useful for sending to the other side) */
-void pcb_pstk_mirror(pcb_pstk_t *ps, pcb_coord_t y_offs);
+/* Mirror a padstack (useful for sending to the other side - set swap_side to 1 in that case) */
+void pcb_pstk_mirror(pcb_pstk_t *ps, pcb_coord_t y_offs, int swap_side);
 
 /*** hash ***/
 unsigned int pcb_pstk_hash(const pcb_pstk_proto_t *p);