Index: operation.c
===================================================================
--- operation.c	(revision 13120)
+++ operation.c	(revision 13121)
@@ -203,7 +203,7 @@
 				F->subc(ctx, subc);
 				changed = pcb_true;
 			}
-			if (pcb->loose_subc) {
+			else if (pcb->loose_subc) {
 				if (pcb_selected_operation(pcb, subc->data, F, ctx, Reset, type))
 					changed = pcb_true;
 			}