diff --git a/src/cairo-path-stroke-polygon.c b/src/cairo-path-stroke-polygon.c
index 2c8fe5e..3cdda0e 100644
--- a/src/cairo-path-stroke-polygon.c
+++ b/src/cairo-path-stroke-polygon.c
@@ -190,6 +190,7 @@ add_fan (struct stroker *stroker,
 	_cairo_pen_find_active_ccw_vertices (pen,
 					     in_vector, out_vector,
 					     &start, &stop);
+	printf("start %d stop %d\n", start, stop);
 	while (start != stop) {
 	    cairo_point_t p = *midpt;
 	    translate_point (&p, &pen->vertices[start].point);
diff --git a/src/cairo-pen.c b/src/cairo-pen.c
index 61be0e8..7818574 100644
--- a/src/cairo-pen.c
+++ b/src/cairo-pen.c
@@ -449,7 +449,7 @@ _cairo_pen_find_active_ccw_vertices (const cairo_pen_t *pen,
 	    hi = i;
 	i = (lo + hi) >> 1;
     } while (hi - lo > 1);
-    if (_cairo_slope_compare (in, &pen->vertices[i].slope_ccw) < 0)
+    if (_cairo_slope_compare (in, &pen->vertices[i].slope_ccw) >= 0)
 	if (++i == pen->num_vertices)
 	    i = 0;
     *start = i;