diff --git a/ants/viz/plot_ortho.py b/ants/viz/plot_ortho.py
index 0fa1d76a..9056c7e8 100644
--- a/ants/viz/plot_ortho.py
+++ b/ants/viz/plot_ortho.py
@@ -625,5 +625,4 @@ def reorient_slice(x, axis):
 
     # turn warnings back to default
     warnings.simplefilter("default")
-    return { "image": imageReturn, "overlay": overlayReturn }