Index: src_plugins/io_pads/read_high.c
===================================================================
--- src_plugins/io_pads/read_high.c	(revision 34618)
+++ src_plugins/io_pads/read_high.c	(revision 34619)
@@ -625,6 +625,7 @@
 			rnd_coord_t r2 = rnd_round(size / 2.0);
 			shp->shape = PCB_PSSH_POLY;
 			pcb_pstk_shape_alloc_poly(&shp->data.poly, 4);
+			if (r2 == 0) r2 = 100;
 			shp->data.poly.x[0] = -r2; shp->data.poly.y[0] = -r2;
 			shp->data.poly.x[1] = +r2; shp->data.poly.y[1] = -r2;
 			shp->data.poly.x[2] = +r2; shp->data.poly.y[2] = +r2;
@@ -634,6 +635,7 @@
 			rnd_coord_t r1 = rnd_round(finlen / 2.0), r2 = rnd_round(size / 2.0);
 			shp->shape = PCB_PSSH_POLY;
 			pcb_pstk_shape_alloc_poly(&shp->data.poly, 4);
+			if (r2 == 0) r2 = 100;
 			shp->data.poly.x[0] = -r1 + finoffs; shp->data.poly.y[0] = -r2;
 			shp->data.poly.x[1] = +r1 + finoffs; shp->data.poly.y[1] = -r2;
 			shp->data.poly.x[2] = +r1 + finoffs; shp->data.poly.y[2] = +r2;