diff --git a/skimage/measure/_regionprops.py b/skimage/measure/_regionprops.py
index 32356a4a..d0a06bac 100644
--- a/skimage/measure/_regionprops.py
+++ b/skimage/measure/_regionprops.py
@@ -111,7 +111,7 @@ class _RegionProperties(object):
                  
         if intensity_image is not None:
             if not intensity_image.shape == label_image.shape:
-                raise ValueError('Label and intensity image must be the same shape.')
+                raise ValueError('Label and intensity image must have the same shape.')
         
         self.label = label
         self._slice = slice