diff --git a/skimage/measure/_label.py b/skimage/measure/_label.py
index 47e8af74..89b4856a 100644
--- a/skimage/measure/_label.py
+++ b/skimage/measure/_label.py
@@ -1,6 +1,7 @@
 from ._ccomp import label as _label
 
-def label(input, neighbors=8, background=None, return_num=False):
-    return _label(input, neighbors, background, return_num)
+def label(input, neighbors=8, background=None, return_num=False,
+        connectivity=None):
+    return _label(input, neighbors, background, return_num, connectivity)
 
 label.__doc__ = _label.__doc__