diff --git a/filter/awsv4upgrade/aws_s3_bucket.go b/filter/awsv4upgrade/aws_s3_bucket.go
index cb30929..6250d9e 100644
--- a/filter/awsv4upgrade/aws_s3_bucket.go
+++ b/filter/awsv4upgrade/aws_s3_bucket.go
@@ -1,6 +1,7 @@
 package awsv4upgrade
 
 import (
+	"github.com/hashicorp/hcl/v2"
 	"github.com/hashicorp/hcl/v2/hclwrite"
 	"github.com/minamijoyo/hcledit/editor"
 )
@@ -61,3 +62,12 @@ func appendNewResourceBlock(body *hclwrite.Body, resourceType string, resourceNa
 	body.AppendNewline()
 	return body.AppendNewBlock("resource", []string{resourceType, resourceName})
 }
+
+// setBucketArgument is a helper method for setting a bucket argument to the given block.
+func setBucketArgument(block *hclwrite.Block, resourceName string) *hclwrite.Attribute {
+	return block.Body().SetAttributeTraversal("bucket", hcl.Traversal{
+		hcl.TraverseRoot{Name: "aws_s3_bucket"},
+		hcl.TraverseAttr{Name: resourceName},
+		hcl.TraverseAttr{Name: "id"},
+	})
+}
diff --git a/filter/awsv4upgrade/aws_s3_bucket_acl.go b/filter/awsv4upgrade/aws_s3_bucket_acl.go
index 59bc2de..fda4c4f 100644
--- a/filter/awsv4upgrade/aws_s3_bucket_acl.go
+++ b/filter/awsv4upgrade/aws_s3_bucket_acl.go
@@ -1,7 +1,6 @@
 package awsv4upgrade
 
 import (
-	"github.com/hashicorp/hcl/v2"
 	"github.com/hashicorp/hcl/v2/hclwrite"
 	"github.com/minamijoyo/hcledit/editor"
 	"github.com/zclconf/go-cty/cty"
@@ -30,11 +29,7 @@ func (f *AWSS3BucketACLFilter) Filter(inFile *hclwrite.File) (*hclwrite.File, er
 
 		resourceName := getResourceName(block)
 		newblock := appendNewResourceBlock(inFile.Body(), "aws_s3_bucket_acl", resourceName)
-		newblock.Body().SetAttributeTraversal("bucket", hcl.Traversal{
-			hcl.TraverseRoot{Name: "aws_s3_bucket"},
-			hcl.TraverseAttr{Name: resourceName},
-			hcl.TraverseAttr{Name: "id"},
-		})
+		setBucketArgument(newblock, resourceName)
 		newblock.Body().SetAttributeValue("acl", cty.StringVal("private"))
 		block.Body().RemoveAttribute("acl")
 	}
diff --git a/filter/awsv4upgrade/aws_s3_bucket_logging.go b/filter/awsv4upgrade/aws_s3_bucket_logging.go
index 1835bbf..6859d59 100644
--- a/filter/awsv4upgrade/aws_s3_bucket_logging.go
+++ b/filter/awsv4upgrade/aws_s3_bucket_logging.go
@@ -1,7 +1,6 @@
 package awsv4upgrade
 
 import (
-	"github.com/hashicorp/hcl/v2"
 	"github.com/hashicorp/hcl/v2/hclwrite"
 	"github.com/minamijoyo/hcledit/editor"
 )
@@ -30,11 +29,7 @@ func (f *AWSS3BucketLoggingFilter) Filter(inFile *hclwrite.File) (*hclwrite.File
 
 		resourceName := getResourceName(block)
 		newblock := appendNewResourceBlock(inFile.Body(), "aws_s3_bucket_logging", resourceName)
-		newblock.Body().SetAttributeTraversal("bucket", hcl.Traversal{
-			hcl.TraverseRoot{Name: "aws_s3_bucket"},
-			hcl.TraverseAttr{Name: resourceName},
-			hcl.TraverseAttr{Name: "id"},
-		})
+		setBucketArgument(newblock, resourceName)
 		newblock.Body().AppendUnstructuredTokens(nested.Body().BuildTokens(nil))
 		block.Body().RemoveBlock(nested)
 	}