Index: trunk/src_plugins/shape/shape_dialog.c
===================================================================
--- trunk/src_plugins/shape/shape_dialog.c	(revision 16916)
+++ trunk/src_plugins/shape/shape_dialog.c	(revision 16917)
@@ -339,6 +339,7 @@
 	PCB_DAD_END(shp->dlg);
 
 	PCB_DAD_NEW(shp->dlg, "dlg_shape", "Generate shapes", shp, modal, shp_close_cb);
+	PCB_DAD_SET_VALUE(shp->dlg_hid_ctx, shp->dia, coord_value, PCB_MM_TO_COORD(25.4)); /* suppress a runtime warning on invalid dia (zero) */
 	shp_chg_circle(shp->dlg_hid_ctx, shp, NULL);
 	shp_chg_roundrect(shp->dlg_hid_ctx, shp, NULL);
 	shp_chg_regpoly(shp->dlg_hid_ctx, shp, NULL); /* has to be the last */