Index: trunk/src_plugins/draw_csect/draw_csect.c
===================================================================
--- trunk/src_plugins/draw_csect/draw_csect.c	(revision 36704)
+++ trunk/src_plugins/draw_csect/draw_csect.c	(revision 36705)
@@ -502,7 +502,10 @@
 
 		rnd_render->set_color(gc, color);
 		dhrect(0, y, GROUP_WIDTH_MM, y+th,  1, 0.5,  stepf, stepb, OMIT_LEFT | OMIT_RIGHT);
-		dtext_bg(gc, 5, y, 200, 0, g->name, &COLOR_BG, &COLOR_ANNOT);
+		{
+			const char *name = g->name == NULL ? "<unnamed group>" : g->name;
+			dtext_bg(gc, 5, y, 200, 0, name, &COLOR_BG, &COLOR_ANNOT);
+		}
 		thick = pcb_attribute_get(&g->Attributes, "thickness");
 		if (thick != NULL)
 			dtext_bg(gc, 45, y, 200, 0, thick, &COLOR_BG, &COLOR_ANNOT);