diff --git a/viewer_examples/plugins/canny.py b/viewer_examples/plugins/canny.py
index eaa33330..686034b2 100644
--- a/viewer_examples/plugins/canny.py
+++ b/viewer_examples/plugins/canny.py
@@ -6,4 +6,4 @@ from skimage.viewer.plugins.canny import CannyPlugin
 image = data.camera()
 viewer = ImageViewer(image)
 viewer += CannyPlugin()
-viewer.show()
+canny_edges = viewer.show()[0][0]
diff --git a/viewer_examples/plugins/canny_simple.py b/viewer_examples/plugins/canny_simple.py
index c26ca08d..641ca138 100644
--- a/viewer_examples/plugins/canny_simple.py
+++ b/viewer_examples/plugins/canny_simple.py
@@ -21,4 +21,4 @@ plugin += SaveButtons(name='Save overlay to:')
 # Finally, attach the plugin to an image viewer.
 viewer = ImageViewer(image)
 viewer += plugin
-viewer.show()
+canny_edges = viewer.show()[0][0]