diff --git a/skimage/draw/tests/test_draw.py b/skimage/draw/tests/test_draw.py
index d3f42c7d..802bdfc0 100644
--- a/skimage/draw/tests/test_draw.py
+++ b/skimage/draw/tests/test_draw.py
@@ -217,14 +217,14 @@ def test_circle_perimeter_andres():
 
 def test_circle_perimeter_wu():
     img = np.zeros((15, 15), 'uint8')
-    rr, cc = circle_perimeter(7, 7, 0, method='wu')
+    rr, cc, val = circle_perimeter(7, 7, 0, method='wu')
     img[rr, cc] = 1
     assert(np.sum(img) == 1)
     assert(img[7][7] == 1)
 
     img = np.zeros((17, 15), 'uint8')
-    rr, cc = circle_perimeter(7, 7, 7, method='wu')
-    img[rr, cc] = 1
+    rr, cc, val = circle_perimeter(7, 7, 7, method='wu')
+    img[rr, cc] = val
     print(img)
     img_ = np.array(
         [[0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0],