diff --git a/.woodpecker/test.yml b/.woodpecker/test.yml
index 00bc5ac..9b6c8db 100644
--- a/.woodpecker/test.yml
+++ b/.woodpecker/test.yml
@@ -14,5 +14,6 @@ steps:
   - name: test
     image: docker.io/library/golang:1.21
     commands:
-      - apk --update add --no-cache git git-lfs
+      - apt-get update
+      - apt-get install -y --no-install-recommends git git-lfs
       - make test
diff --git a/cmd/wp-git-clone/flags.go b/cmd/wp-git-clone/flags.go
index 3df38db..9a9aecb 100644
--- a/cmd/wp-git-clone/flags.go
+++ b/cmd/wp-git-clone/flags.go
@@ -147,6 +147,7 @@ func settingsFlags(settings *plugin.Settings, category string) []cli.Flag {
 			Usage:       "change branch name",
 			EnvVars:     []string{"PLUGIN_BRANCH", "CI_COMMIT_BRANCH", "CI_REPO_DEFAULT_BRANCH"},
 			Destination: &settings.Repo.Branch,
+			Value:       "main",
 			Category:    category,
 		},
 		&cli.BoolFlag{
diff --git a/docs/data/data.yaml b/docs/data/data.yaml
index bd0478d..b7d9f02 100644
--- a/docs/data/data.yaml
+++ b/docs/data/data.yaml
@@ -3,6 +3,7 @@ properties:
   - name: branch
     description: |
       Change branch name.
+    defaultvalue: "main"
 
   - name: ci_netrc_machine
     description: |
diff --git a/git/init.go b/git/init.go
index 26298d3..bd3b9c9 100644
--- a/git/init.go
+++ b/git/init.go
@@ -8,20 +8,12 @@ import (
 func Init(repo Repository) *execabs.Cmd {
 	args := []string{
 		"init",
+		"-b",
+		repo.Branch,
 	}
 
-	if repo.Branch != "" {
-		args = []string{
-			"init",
-			"-b",
-			repo.Branch,
-		}
-	}
-
-	cmd := execabs.Command(
+	return execabs.Command(
 		gitBin,
 		args...,
 	)
-
-	return cmd
 }