diff --git a/docs/conf.py b/docs/conf.py
index <HASH>..<HASH> 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -31,6 +31,7 @@ MOCK_MODULES = [
     'larcc.MAP', 'PyQt4', 'PyQt4.QtCore', 'PyQt4.QtGui', 'web', 'lar2psm',
     'scipy.ndimage.measurements',  'lar', 'extern.lar', 'splines',
     'scipy.sparse', 'skimage.filter', 'mapper', 'skelet3d', 'numpy.core',
+    'skimage.filters',
     'lbpLibrary', 'skimage.exposure', 'PyQt4.QVTKRenderWindowInteractor',
     'matplotlib.backends', 'matplotlib.backends.backend_qt4agg', 'numpy.linalg',
     'PyQt4.Qt', 'matplotlib.figure', 'skimage.morphology', 'gtk',
mock skimage.filters