diff --git a/hassio_api/hassio/dock/__init__.py b/hassio_api/hassio/dock/__init__.py
index 7c5596d49..633a17870 100644
--- a/hassio_api/hassio/dock/__init__.py
+++ b/hassio_api/hassio/dock/__init__.py
@@ -65,7 +65,7 @@ class DockerBase(object):
 
         Return a Future.
         """
-        return self.loop.run_in_executor(None, self._is_running)
+        return self.loop.run_in_executor(None, self._exists)
 
     def _exists(self):
         """Return True if docker image exists in local repo.