diff --git a/lib/docker/rake_task.rb b/lib/docker/rake_task.rb
index 30e8836c1..b2fdcf816 100644
--- a/lib/docker/rake_task.rb
+++ b/lib/docker/rake_task.rb
@@ -11,7 +11,7 @@ def needed?
   private
 
   def has_repo_tag?
-    images.any? { |image| image.info['RepoTags'].include?(repo_tag) }
+    images.any? { |image| image.info['RepoTags'] && image.info['RepoTags'].include?(repo_tag) }
   end
 
   def images