diff --git a/skimage/feature/greycomatrix.py b/skimage/feature/greycomatrix.py
index 622787f1..5212cf63 100644
--- a/skimage/feature/greycomatrix.py
+++ b/skimage/feature/greycomatrix.py
@@ -6,7 +6,7 @@ properties to characterize image textures.
 import numpy as np
 import skimage.util
 
-from _greycomatrix import _glcm_loop
+from ._greycomatrix import _glcm_loop
 
 
 def greycomatrix(image, distances, angles, levels=256, symmetric=False,
diff --git a/skimage/measure/find_contours.py b/skimage/measure/find_contours.py
index 582c1b52..92f848d2 100755
--- a/skimage/measure/find_contours.py
+++ b/skimage/measure/find_contours.py
@@ -1,5 +1,5 @@
 import numpy as np
-import _find_contours
+from . import _find_contours
 
 from collections import deque
 
diff --git a/skimage/morphology/skeletonize.py b/skimage/morphology/skeletonize.py
index 5ddf2c4c..e734d8c6 100644
--- a/skimage/morphology/skeletonize.py
+++ b/skimage/morphology/skeletonize.py
@@ -5,7 +5,7 @@ Algorithms for computing the skeleton of a binary image
 import numpy as np
 from scipy import ndimage
 
-from _skeletonize import _skeletonize_loop, _table_lookup_index
+from ._skeletonize import _skeletonize_loop, _table_lookup_index
 
 # --------- Skeletonization by morphological thinning ---------