diff --git a/oci/tests/integration/Makefile b/oci/tests/integration/Makefile
index 7f90367db..33acd06ff 100644
--- a/oci/tests/integration/Makefile
+++ b/oci/tests/integration/Makefile
@@ -1,12 +1,14 @@
 GO_TEST_ARGS ?=
 PROVIDER_ARG ?=
 TEST_TIMEOUT ?= 30m
+GOARCH ?= amd64
+GOOS ?= linux
 
 TEST_IMG ?= fluxcd/testapp:test
 
 .PHONY: app
 app:
-	CGO_ENABLED=0 go build -v -o app ./testapp
+	CGO_ENABLED=0 GOARCH=$(GOARCH) GOOS=$(GOOS) go build -v -o app ./testapp
 
 docker-build: app
 	docker buildx build -t $(TEST_IMG) --load .
diff --git a/oci/tests/integration/repo_list_test.go b/oci/tests/integration/repo_list_test.go
index 12aaac274..06f2d1fc7 100644
--- a/oci/tests/integration/repo_list_test.go
+++ b/oci/tests/integration/repo_list_test.go
@@ -34,19 +34,22 @@ import (
 func TestImageRepositoryListTags(t *testing.T) {
 	for name, repo := range testRepos {
 		t.Run(name, func(t *testing.T) {
-			args := []string{fmt.Sprintf("-repo=%s", repo)}
+			parts := strings.SplitN(repo, "/", 2)
+			args := []string{
+				fmt.Sprintf("-registry=%s", parts[0]),
+				fmt.Sprintf("-repo=%s", parts[1]),
+			}
 			testImageRepositoryListTags(t, args)
 		})
 	}
 }
 
-func TestRepositoryRootLoginListTags(t *testing.T) {
+func TestRepositoryRootLogin(t *testing.T) {
 	for name, repo := range testRepos {
 		t.Run(name, func(t *testing.T) {
 			parts := strings.SplitN(repo, "/", 2)
 			args := []string{
 				fmt.Sprintf("-registry=%s", parts[0]),
-				fmt.Sprintf("-repo=%s", parts[1]),
 			}
 			testImageRepositoryListTags(t, args)
 		})
diff --git a/oci/tests/integration/testapp/main.go b/oci/tests/integration/testapp/main.go
index c7df88bbc..8f3133f24 100644
--- a/oci/tests/integration/testapp/main.go
+++ b/oci/tests/integration/testapp/main.go
@@ -34,9 +34,8 @@ import (
 
 // registry and repo flags are to facilitate testing of two login scenarios:
 //   - when the repository contains the full address, including registry host,
-//     e.g. foo.azurecr.io/bar.
-//   - when the repository contains only the repository name and registry name
-//     is provided separately, e.g. registry: foo.azurecr.io, repo: bar.
+//     e.g. foo.azurecr.io/bar (registry: foo.azurecr.io, repo: bar).
+//   - when only the registry host is provided e.g. registry: foo.azurecr.io
 var (
 	registry = flag.String("registry", "", "registry of the repository")
 	repo     = flag.String("repo", "", "repository to list")
@@ -53,8 +52,8 @@ func main() {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	if *repo == "" {
-		panic("must provide -repo value")
+	if *registry == "" {
+		panic("must provide -registry value")
 	}
 
 	var loginURL string
@@ -62,16 +61,12 @@ func main() {
 	var ref name.Reference
 	var err error
 
-	if *registry != "" {
-		// Registry and repository are separate.
+	loginURL = *registry
+	if *repo != "" {
+		// Repository was provided so we append it to the registry
 		log.Printf("registry: %s, repo: %s\n", *registry, *repo)
-		loginURL = *registry
-		ref, err = name.ParseReference(strings.Join([]string{*registry, *repo}, "/"))
-	} else {
-		// Repository contains the registry host address.
-		log.Println("repo:", *repo)
-		loginURL = *repo
-		ref, err = name.ParseReference(*repo)
+		loginURL = strings.Join([]string{*registry, *repo}, "/")
+		ref, err = name.ParseReference(loginURL)
 	}
 	if err != nil {
 		panic(err)
@@ -83,13 +78,16 @@ func main() {
 	}
 	log.Println("logged in")
 
-	var options []remote.Option
-	options = append(options, remote.WithAuth(auth))
-	options = append(options, remote.WithContext(ctx))
+	// only list if a repository is passed in
+	if *repo != "" {
+		var options []remote.Option
+		options = append(options, remote.WithAuth(auth))
+		options = append(options, remote.WithContext(ctx))
 
-	tags, err := remote.List(ref.Context(), options...)
-	if err != nil {
-		panic(err)
+		tags, err := remote.List(ref.Context(), options...)
+		if err != nil {
+			panic(err)
+		}
+		log.Println("tags:", tags)
 	}
-	log.Println("tags:", tags)
 }