Index: trunk/src/change.c
===================================================================
--- trunk/src/change.c	(revision 11728)
+++ trunk/src/change.c	(revision 11729)
@@ -1296,6 +1296,10 @@
 	case PCB_TYPE_ELEMENT:
 		name = pcb_gui->prompt_for(_("Elementname:"), PCB_EMPTY(PCB_ELEM_NAME_VISIBLE(PCB, (pcb_element_t *) Ptr2)));
 		break;
+
+	case PCB_TYPE_SUBC:
+		name = pcb_gui->prompt_for(_("Subcircuit refdes:"), PCB_EMPTY(((pcb_subc_t *)Ptr2)->refdes));
+		break;
 	}
 	if (name) {
 		/* NB: ChangeObjectName takes ownership of the passed memory */
Index: trunk/src/change.h
===================================================================
--- trunk/src/change.h	(revision 11728)
+++ trunk/src/change.h	(revision 11729)
@@ -39,7 +39,7 @@
  * some defines
  */
 #define	PCB_CHANGENAME_TYPES        \
-	(PCB_TYPE_VIA | PCB_TYPE_PIN | PCB_TYPE_PAD | PCB_TYPE_TEXT | PCB_TYPE_ELEMENT | PCB_TYPE_SUBC | PCB_TYPE_ELEMENT_NAME | PCB_TYPE_LINE | PCB_TYPE_ARC | PCB_TYPE_POLYGON | PCB_TYPE_SUBC_PART)
+	(PCB_TYPE_VIA | PCB_TYPE_PIN | PCB_TYPE_PAD | PCB_TYPE_TEXT | PCB_TYPE_ELEMENT | PCB_TYPE_SUBC | PCB_TYPE_ELEMENT_NAME | PCB_TYPE_LINE | PCB_TYPE_ARC | PCB_TYPE_POLYGON | PCB_TYPE_SUBC_PART | PCB_TYPE_SUBC)
 
 #define	PCB_CHANGESIZE_TYPES        \
 	(PCB_TYPE_POLYGON | PCB_TYPE_VIA | PCB_TYPE_PIN | PCB_TYPE_PAD | PCB_TYPE_LINE | \
Index: trunk/src/obj_subc.c
===================================================================
--- trunk/src/obj_subc.c	(revision 11728)
+++ trunk/src/obj_subc.c	(revision 11729)
@@ -1004,8 +1004,8 @@
 
 void *pcb_subcop_change_name(pcb_opctx_t *ctx, pcb_subc_t *sc)
 {
-#warning subc TODO
-	abort();
+	pcb_attribute_put(&sc->Attributes, "refdes", ctx->chgname.new_name);
+	return sc;
 }
 
 void *pcb_subcop_destroy(pcb_opctx_t *ctx, pcb_subc_t *sc)