Index: trunk/src_plugins/smartdisperse/smartdisperse.c
===================================================================
--- trunk/src_plugins/smartdisperse/smartdisperse.c	(revision 13302)
+++ trunk/src_plugins/smartdisperse/smartdisperse.c	(revision 13303)
@@ -196,7 +196,7 @@
 	/* remember which elements we finish with */
 	htpi_init(&visited, ptrhash, ptrkeyeq);
 
-	/* if we're not doing all, mark the unselected elements as "visited" */
+	/* if we're not doing all, mark the unselected elements and subcs as "visited" */
 	PCB_ELEMENT_LOOP(PCB->Data);
 	{
 		if (!(all || PCB_FLAG_TEST(PCB_FLAG_SELECTED, element))) {
@@ -204,6 +204,12 @@
 		}
 	}
 	PCB_END_LOOP;
+	PCB_SUBC_LOOP(PCB->Data);
+	{
+		if (!(all || PCB_FLAG_TEST(PCB_FLAG_SELECTED, subc)))
+			set_visited(subc);
+	}
+	PCB_END_LOOP;
 
 	/* initialize variables for place() */
 	minx = GAP;