Index: report.c
===================================================================
--- report.c	(revision 34515)
+++ report.c	(revision 34516)
@@ -918,7 +918,7 @@
 	/* anything below needs the layer */
 
 	if (ly == NULL)
-		ly = pcb_uilayer_alloc("NetLength", "Net length", rnd_color_blue);
+		ly = pcb_uilayer_alloc(PCB_ACT_BOARD, "NetLength", "Net length", rnd_color_blue);
 
 	if (strcmp(cmd, "object") == 0) {
 		int type;