diff --git a/main.go b/main.go
index 3cce7f0..71f447b 100644
--- a/main.go
+++ b/main.go
@@ -19,8 +19,9 @@ func ParseActionConfig(ctx githubactions.GitHubContext) (*CreatePrConfig, error)
 
 	rawRepo := strings.Split(githubactions.GetInput("GITHUB_REPOSITORY"), "/")
 	if len(rawRepo) != 2 {
-		return nil, fmt.Errorf("incorrect number of string from string: %v, %d", githubactions.GetInput("GITHUB_REPOSITORY"), len(rawRepo))
+		return nil, fmt.Errorf("incorrect number of string from string: %v, %d", os.Getenv("GITHUB_REPOSITORY"), len(rawRepo))
 	}
+	repo := rawRepo[1]
 
 	title := githubactions.GetInput("title")
 	if title == "" {
@@ -54,7 +55,7 @@ func ParseActionConfig(ctx githubactions.GitHubContext) (*CreatePrConfig, error)
 
 	return &CreatePrConfig{
 		Org:        ctx.RepositoryOwner,
-		Repo:       rawRepo[1],
+		Repo:       repo,
 		HeadBranch: head,
 		BaseBranch: base,
 		Title:      title,