diff --git a/skimage/viewer/__init__.py b/skimage/viewer/__init__.py
index e3681339..5eed9589 100644
--- a/skimage/viewer/__init__.py
+++ b/skimage/viewer/__init__.py
@@ -1 +1 @@
-from viewers import ImageViewer, CollectionViewer
+from .viewers import ImageViewer, CollectionViewer