diff --git a/skimage/feature/_hog.py b/skimage/feature/_hog.py
index 64bb1221..afb2b4e9 100644
--- a/skimage/feature/_hog.py
+++ b/skimage/feature/_hog.py
@@ -125,17 +125,15 @@ def hog(image, orientations=9, pixels_per_cell=(8, 8),
 
         radius = min(cx, cy) // 2 - 1
         orientations_arr = np.arange(orientations)
-        dx_arr = radius * np.cos(orientations_arr / orientations_arr * np.pi)
-        dy_arr = radius * np.sin(orientations_arr / orientations_arr * np.pi)
-
-        cc = cy + cy
-        cr = cx + cx
+        dx_arr = radius * np.cos(orientations_arr / orientations * np.pi)
+        dy_arr = radius * np.sin(orientations_arr / orientations * np.pi)
+        cr2 = cy + cy
+        cc2 = cx + cx
         hog_image = np.zeros((sy, sx), dtype=float)
         for x in range(n_cellsx):
             for y in range(n_cellsy):
                 for o, dx, dy in zip(orientations_arr, dx_arr, dy_arr):
-                    centre = tuple([y * cc // 2, x * cr // 2])
-
+                    centre = tuple([y * cr2 // 2, x * cc2 // 2])
                     rr, cc = draw.line(int(centre[0] - dx),
                                        int(centre[1] + dy),
                                        int(centre[0] + dx),