diff --git a/skimage/measure/__init__.py b/skimage/measure/__init__.py
index cb9dc679..58b32818 100755
--- a/skimage/measure/__init__.py
+++ b/skimage/measure/__init__.py
@@ -1,3 +1,4 @@
 from .find_contours import find_contours
 from ._regionprops import regionprops
-from ._ssim import ssim
+from .find_contours import find_contours
+from ._structural_similarity import ssim
diff --git a/skimage/measure/_ssim.py b/skimage/measure/_structural_similarity.py
similarity index 100%
rename from skimage/measure/_ssim.py
rename to skimage/measure/_structural_similarity.py
diff --git a/skimage/measure/tests/test_ssim.py b/skimage/measure/tests/test_structural_similarity.py
similarity index 93%
rename from skimage/measure/tests/test_ssim.py
rename to skimage/measure/tests/test_structural_similarity.py
index 3115d78f..e68420b9 100644
--- a/skimage/measure/tests/test_ssim.py
+++ b/skimage/measure/tests/test_structural_similarity.py
@@ -1,7 +1,8 @@
 import numpy as np
 from numpy.testing import assert_equal
 
-from skimage.measure._ssim import structural_similarity as ssim, _as_windows
+from skimage.measure._structural_similarity import \
+     structural_similarity as ssim, _as_windows
 import scipy.optimize as opt
 
 def test_ssim_patch_range():