diff --git a/scone/default/recipes/docker.py b/scone/default/recipes/docker.py
index 3d7b8b2..48fb504 100644
--- a/scone/default/recipes/docker.py
+++ b/scone/default/recipes/docker.py
@@ -36,7 +36,7 @@ class DockerContainer(Recipe):
                     self.image,
                     self.command,
                     self.name,
-                    self.ports,
+                    {k: (v['host'], v['port']) for k, v in self.ports.items()},
                     self.volumes,
                     {k: str(v) for k, v in self.environment.items()},
                     self.restart_policy,
diff --git a/scone/default/utensils/docker_utensils.py b/scone/default/utensils/docker_utensils.py
index e6384df..b7feefe 100644
--- a/scone/default/utensils/docker_utensils.py
+++ b/scone/default/utensils/docker_utensils.py
@@ -90,29 +90,22 @@ class DockerContainerRun(Utensil):
         name: str
 
     async def execute(self, channel: Channel, worktop: Worktop):
-        try:
-            container = _docker_client().containers.run(
-                self.image,
-                self.command,
-                detach=True,
-                name=self.name,
-                ports=self.ports,
-                volumes=self.volumes,
-                environment=self.environment,
-                restart_policy={
-                    "Name": self.restart_policy,
-                    "MaximumRetryCount": 5
-                }
-            )
+        restart_policy = {
+            "Name": self.restart_policy,
+        }
+        if self.restart_policy == 'on-failure':
+            restart_policy["MaximumRetryCount"] = 5
 
-        except docker.errors.ImageNotFound:
-            # specified image does not exist (or requires login)
-            await channel.send(None)
-            return
-        except docker.errors.APIError:
-            # the docker server returned an error
-            await channel.send(None)
-            return
+        container = _docker_client().containers.run(
+            self.image,
+            self.command,
+            detach=True,
+            name=self.name,
+            ports=self.ports,
+            volumes=self.volumes,
+            environment=self.environment,
+            restart_policy=restart_policy
+        )
 
         await channel.send(DockerContainerRun.Result(name=container.name))