Index: change.c
===================================================================
--- change.c	(revision 11005)
+++ change.c	(revision 11006)
@@ -1257,8 +1257,10 @@
 	parent_subc = pcb_obj_parent_subc(obj);
 	if (parent_subc != NULL) {
 		name = pcb_gui->prompt_for(_("Enter terminal ID:"), PCB_EMPTY(obj->term));
-		pcb_term_undoable_rename(PCB, obj, name);
-		pcb_draw();
+		if (name != NULL) {
+			pcb_term_undoable_rename(PCB, obj, name);
+			pcb_draw();
+		}
 		return Ptr3;
 	}