diff --git a/github.go b/github.go
index d3a9498..c6a66e8 100644
--- a/github.go
+++ b/github.go
@@ -43,6 +43,10 @@ func NewGitHub(client ApiClient) *GitHub {
 	return &GitHub{client: client}
 }
 
+// Determine whether the request `content-type` includes a
+// server-acceptable mime-type
+//
+// Failure should yield an HTTP 415 (`http.StatusUnsupportedMediaType`)
 func HasContentType(r *http.Response, mimetype string) bool {
 	contentType := r.Header.Get("Content-type")
 	if contentType == "" {
@@ -74,8 +78,8 @@ type GitTag struct {
 	ZipballURL string `json:"zipball_url,omitempty"`
 }
 
-func (gh *GitHub) GetGitTagInfo(repository, tag string, ctx context.Context) (*GitTag, error) {
-	url := fmt.Sprintf("/repos/%s/tags/%s", repository, tag)
+func (gh *GitHub) GetGitTagInfo(owner, repo, tag string, ctx context.Context) (*GitTag, error) {
+	url := fmt.Sprintf("/repos/%s/%s/tags/%s", owner, repo, tag)
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
 	if err != nil {
 		return nil, err
@@ -113,7 +117,8 @@ func (gh *GitHub) GetGitTagInfo(repository, tag string, ctx context.Context) (*G
 }
 
 type CreateReleaseRequest struct {
-	Repository string `json:"-"`
+	Owner string `json:"-"`
+	Repo  string `json:"-"`
 
 	Body             string `json:"body,omitempty"`
 	Draft            bool   `json:"draft,omitempty"`
@@ -148,7 +153,7 @@ func (gh *GitHub) CreateRelease(creq *CreateReleaseRequest, ctx context.Context)
 		return nil, err
 	}
 
-	url := fmt.Sprintf("/repos/%s/releases", creq.Repository)
+	url := fmt.Sprintf("/repos/%s/%s/releases", creq.Owner, creq.Repo)
 	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, &b)
 	if err != nil {
 		return nil, err
@@ -201,7 +206,8 @@ func (gh *GitHub) CreateRelease(creq *CreateReleaseRequest, ctx context.Context)
 }
 
 type CreateReleaseArtifactRequest struct {
-	Repository string `json:"-"`
+	Owner string `json:"-"`
+	Repo  string `json:"-"`
 
 	Id int64 `json:"-"`
 
@@ -251,7 +257,7 @@ func (gh *GitHub) CreateReleaseArtifact(creq *CreateReleaseArtifactRequest, ctx
 
 	w.Close()
 
-	url := fmt.Sprintf("/repos/%s/releases/%d/assets", creq.Repository, creq.Id)
+	url := fmt.Sprintf("/repos/%s/%s/releases/%d/assets", creq.Owner, creq.Repo, creq.Id)
 	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, &b)
 	if err != nil {
 		return nil, err
diff --git a/main.go b/main.go
index 94941be..99402ce 100644
--- a/main.go
+++ b/main.go
@@ -26,7 +26,7 @@ func main() {
 
 type ReleaseAction struct {
 	*sdk.Action
-	repository string
+	repository Repository
 	version    string
 
 	draft      bool
@@ -38,13 +38,26 @@ type ReleaseAction struct {
 	artifacts []string
 }
 
+type Repository []string
+
+func NewRepository(r string) (Repository, error) {
+	split := strings.Split(string(r), "/")
+	if len(split) != 2 {
+		return nil, fmt.Errorf("repository must be in the format '<owner>/<repo>'")
+	}
+	return split, nil
+}
+func (r Repository) Owner() string { return r[0] }
+func (r Repository) Repo() string  { return r[1] }
+
 func (action *ReleaseAction) setup() error {
 	var err error
 
-	action.repository = action.GetInput("repository")
-	if ok, err := regexp.MatchString(`^(\w+)/(\w+)$`, action.repository); !ok || err != nil {
-		return fmt.Errorf("input 'repository': is empty or does not match <onwer>/<repo>")
+	r, err := NewRepository(action.GetInput("repository"))
+	if err != nil {
+		return fmt.Errorf("input 'repository': %s", err)
 	}
+	action.repository = r
 
 	action.version = action.GetInput("version")
 	if len(action.version) == 0 {
@@ -109,7 +122,7 @@ func (action *ReleaseAction) run(ctx context.Context) error {
 	// only get the commit info when we are missing a name or a text
 	if len(action.label) == 0 || len(action.notes) == 0 {
 		action.Debugf("Getting git tag information from repository")
-		tag, err := github.GetGitTagInfo(action.repository, action.version, ctx)
+		tag, err := github.GetGitTagInfo(action.repository.Owner(), action.repository.Repo(), action.version, ctx)
 		if err != nil {
 			return err
 		}
@@ -123,12 +136,13 @@ func (action *ReleaseAction) run(ctx context.Context) error {
 
 	action.Debugf("Creating release %s", action.version)
 	release, err := github.CreateRelease(&CreateReleaseRequest{
-		Repository: action.repository,
-		TagName:    action.version,
+		Owner:      action.repository.Owner(),
+		Repo:       action.repository.Repo(),
 		Name:       action.label,
 		Body:       action.notes,
 		Draft:      action.draft,
 		PreRelease: action.prerelease,
+		TagName:    action.version,
 	}, ctx)
 	if err != nil {
 		return fmt.Errorf("cannot create release for %s: %s", action.version, err)
@@ -146,8 +160,9 @@ func (action *ReleaseAction) run(ctx context.Context) error {
 				return
 			}
 			a, err := github.CreateReleaseArtifact(&CreateReleaseArtifactRequest{
-				Repository: action.repository,
 				Id:         release.Id,
+				Owner:      action.repository.Owner(),
+				Repo:       action.repository.Repo(),
 				Name:       f.Name(), // unused?
 				Attachment: f,
 			}, ctx)