diff --git a/examples/animation/dynamic_image.py b/examples/animation/dynamic_image.py
index 5543da039639..cbec62607b2c 100644
--- a/examples/animation/dynamic_image.py
+++ b/examples/animation/dynamic_image.py
@@ -23,8 +23,8 @@ def f(x, y):
 # each frame
 ims = []
 for i in range(60):
-    x += np.pi / 15.
-    y += np.pi / 20.
+    x += np.pi / 15
+    y += np.pi / 30
     im = ax.imshow(f(x, y), animated=True)
     if i == 0:
         ax.imshow(f(x, y))  # show an initial one first