diff --git a/doc/examples/plot_radon_transform.py b/doc/examples/plot_radon_transform.py
index 91775ba0..cc327d72 100644
--- a/doc/examples/plot_radon_transform.py
+++ b/doc/examples/plot_radon_transform.py
@@ -101,7 +101,7 @@ error = reconstruction_fbp - image
 print('FBP rms reconstruction error: %.3g' % np.sqrt(np.mean(error**2)))
 
 imkwargs = dict(vmin=-0.2, vmax=0.2)
-fig, (ax1, ax2) = plt.subplots(1, 2, figsize=(8, 4.5))
+fig, (ax1, ax2) = plt.subplots(1, 2, figsize=(8, 4.5), sharex=True, sharey=True, subplot_kw={'adjustable':'box-forced'})
 ax1.set_title("Reconstruction\nFiltered back projection")
 ax1.imshow(reconstruction_fbp, cmap=plt.cm.Greys_r)
 ax2.set_title("Reconstruction error\nFiltered back projection")
@@ -152,7 +152,7 @@ error = reconstruction_sart - image
 print('SART (1 iteration) rms reconstruction error: %.3g'
       % np.sqrt(np.mean(error**2)))
 
-fig, ax = plt.subplots(2, 2, figsize=(8, 8.5))
+fig, ax = plt.subplots(2, 2, figsize=(8, 8.5), sharex=True, sharey=True, subplot_kw={'adjustable':'box-forced'})
 ax1, ax2, ax3, ax4 = ax.ravel()
 ax1.set_title("Reconstruction\nSART")
 ax1.imshow(reconstruction_sart, cmap=plt.cm.Greys_r)