diff --git a/doc/mock_modules.txt b/doc/mock_modules.txt
index 07e5f8d09209425941f9f5bd273d05ce39ad51fe..a3d52e045b97b85ef44d551318e5bb84a5b2b6ff 100644
--- a/doc/mock_modules.txt
+++ b/doc/mock_modules.txt
@@ -7,3 +7,4 @@ numpy
 numpy.linalg
 scipy
 scipy.ndimage
+scipy.ndimage.interpolation