diff --git a/lib/kamal/commands/registry.rb b/lib/kamal/commands/registry.rb
index 35940b45..6a05b62b 100644
--- a/lib/kamal/commands/registry.rb
+++ b/lib/kamal/commands/registry.rb
@@ -16,7 +16,7 @@ class Kamal::Commands::Registry < Kamal::Commands::Base
   def setup
     combine \
       docker(:start, "kamal-docker-registry"),
-      docker(:run, "--detach", "-p", "#{local_port}:5000", "--name", "kamal-docker-registry", "registry:2"),
+      docker(:run, "--detach", "-p", "127.0.0.1:#{local_port}:5000", "--name", "kamal-docker-registry", "registry:2"),
       by: "||"
   end
 
diff --git a/test/cli/registry_test.rb b/test/cli/registry_test.rb
index fb531d1b..858f6e3c 100644
--- a/test/cli/registry_test.rb
+++ b/test/cli/registry_test.rb
@@ -45,7 +45,7 @@ class CliRegistryTest < CliTestCase
 
   test "setup local registry" do
     run_command("setup", fixture: :with_local_registry).tap do |output|
-      assert_match /docker start kamal-docker-registry || docker run --detach -p 5000:5000 --name kamal-docker-registry registry:2 as .*@localhost/, output
+      assert_match /docker start kamal-docker-registry || docker run --detach -p 127.0.0.1:5000:5000 --name kamal-docker-registry registry:2 as .*@localhost/, output
     end
   end
 
diff --git a/test/commands/registry_test.rb b/test/commands/registry_test.rb
index b7155867..b8b5b244 100755
--- a/test/commands/registry_test.rb
+++ b/test/commands/registry_test.rb
@@ -56,7 +56,8 @@ class CommandsRegistryTest < ActiveSupport::TestCase
   end
 
   test "registry setup" do
-    assert_equal "docker start kamal-docker-registry || docker run --detach -p :5000 --name kamal-docker-registry registry:2", registry.setup.join(" ")
+    @config[:registry] = { "server" => "localhost:5000" }
+    assert_equal "docker start kamal-docker-registry || docker run --detach -p 5000:5000 --name kamal-docker-registry registry:2", registry.setup.join(" ")
   end
 
   test "registry remove" do