diff --git a/doc/examples/plot_watershed.py b/doc/examples/plot_watershed.py
index f003c122..27f7016e 100644
--- a/doc/examples/plot_watershed.py
+++ b/doc/examples/plot_watershed.py
@@ -61,6 +61,6 @@ ax2.set_title('Separated objects')
 for ax in axes:
     ax.axis('off')
 
-plt.subplots_adjust(hspace=0.01, wspace=0.01, top=1, bottom=0, left=0,
+fig.subplots_adjust(hspace=0.01, wspace=0.01, top=1, bottom=0, left=0,
                     right=1)
 plt.show()