Index: trunk/src/obj_subc.c
===================================================================
--- trunk/src/obj_subc.c	(revision 22686)
+++ trunk/src/obj_subc.c	(revision 22687)
@@ -1877,7 +1877,7 @@
 	return val;
 }
 
-pcb_subc_t *pcb_subc_replace(pcb_board_t *pcb, pcb_subc_t *dst, pcb_subc_t *src)
+pcb_subc_t *pcb_subc_replace(pcb_board_t *pcb, pcb_subc_t *dst, pcb_subc_t *src, pcb_bool add_undo)
 {
 	pcb_data_t *data = dst->parent.data;
 	pcb_subc_t *placed;
@@ -1913,5 +1913,9 @@
 	if (rot != 0)
 		pcb_subc_rotate(placed, ox, oy, cos(rot / PCB_RAD_TO_DEG), sin(rot / PCB_RAD_TO_DEG), rot);
 
+	if (add_undo)
+		pcb_undo_add_obj_to_create(PCB_OBJ_SUBC, placed, placed, placed);
+
+
 	return placed;
 }
Index: trunk/src/obj_subc.h
===================================================================
--- trunk/src/obj_subc.h	(revision 22686)
+++ trunk/src/obj_subc.h	(revision 22687)
@@ -165,7 +165,7 @@
 
 /* Replace dst with a copy of src in place (preserving location and orientation
    and attributes */
-pcb_subc_t *pcb_subc_replace(pcb_board_t *pcb, pcb_subc_t *dst, pcb_subc_t *src);
+pcb_subc_t *pcb_subc_replace(pcb_board_t *pcb, pcb_subc_t *dst, pcb_subc_t *src, pcb_bool add_undo);
 
 /*** loops ***/
 
Index: trunk/src/rats_patch.c
===================================================================
--- trunk/src/rats_patch.c	(revision 22686)
+++ trunk/src/rats_patch.c	(revision 22687)
@@ -468,7 +468,7 @@
 
 				if (!PCB_FLAG_TEST(PCB_FLAG_SELECTED, subc) || (subc->refdes == NULL))
 					continue;
-				placed = pcb_subc_replace(PCB, subc, news);
+				placed = pcb_subc_replace(PCB, subc, news, pcb_true);
 				if (placed != NULL) {
 					pcb_ratspatch_append_optimize(PCB, RATP_CHANGE_ATTRIB, placed->refdes, "footprint", fpname);
 					changed = 1;
@@ -477,7 +477,7 @@
 			PCB_END_LOOP;
 			break;
 		case F_Object:
-			placed = pcb_subc_replace(PCB, olds, news);
+			placed = pcb_subc_replace(PCB, olds, news, pcb_true);
 			if (placed != NULL) {
 				pcb_ratspatch_append_optimize(PCB, RATP_CHANGE_ATTRIB, placed->refdes, "footprint", fpname);
 				changed = 1;