diff --git a/Makefile b/Makefile
index 6cbd8bc..53a3699 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ build:
 .PHONY: build
 
 build-docker:
-	docker-compose build
+	docker compose build
 .PHONY: build-docker
 
 clean:
@@ -21,8 +21,8 @@ test:
 .PHONY: test
 
 integration:
-	docker-compose down
-	docker-compose up -d minio create-buckets
+	docker compose down
+	docker compose up -d minio create-buckets
 	RUN_INTEGRATION_TESTS=true go test -v ./...
 .PHONY: integration
 
diff --git a/README.md b/README.md
index fe41cc3..d879f65 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ To run the project locally, you should first copy `.env.template` to `.env` and
 to your beacon client and storage backend of choice. Then you can run the project with:
 
 ```sh
-docker-compose up
+docker compose up
 ```
 
 You can see a full list of configuration options by running:
diff --git a/archiver/flags/config.go b/archiver/flags/config.go
index a14709e..e0d2f32 100644
--- a/archiver/flags/config.go
+++ b/archiver/flags/config.go
@@ -2,9 +2,9 @@ package flags
 
 import (
 	"fmt"
-	"time"
 	"strings"
-	
+	"time"
+
 	common "github.com/base-org/blob-archiver/common/flags"
 	oplog "github.com/ethereum-optimism/optimism/op-service/log"
 	opmetrics "github.com/ethereum-optimism/optimism/op-service/metrics"
@@ -48,7 +48,6 @@ func (c ArchiverConfig) Check() error {
 
 func ReadConfig(cliCtx *cli.Context) ArchiverConfig {
 	pollInterval, _ := time.ParseDuration(cliCtx.String(ArchiverPollIntervalFlag.Name))
-
 	return ArchiverConfig{
 		LogConfig:     oplog.ReadCLIConfig(cliCtx),
 		MetricsConfig: opmetrics.ReadCLIConfig(cliCtx),
diff --git a/common/flags/flags.go b/common/flags/flags.go
index 1829700..d41eb90 100644
--- a/common/flags/flags.go
+++ b/common/flags/flags.go
@@ -83,6 +83,7 @@ func CLIFlags(envPrefix string) []cli.Flag {
 			Usage:   "The path to append to file",
 			Hidden:  true,
 			EnvVars: opservice.PrefixEnvVar(envPrefix, "S3_PATH"),
+			Value:   "",
 		},
 		// File Data Store Flags
 		&cli.StringFlag{
diff --git a/common/storage/s3.go b/common/storage/s3.go
index 6263b36..bf68e92 100644
--- a/common/storage/s3.go
+++ b/common/storage/s3.go
@@ -6,6 +6,7 @@ import (
 	"context"
 	"encoding/json"
 	"io"
+	"path"
 
 	"github.com/base-org/blob-archiver/common/flags"
 	"github.com/ethereum/go-ethereum/common"
@@ -17,7 +18,7 @@ import (
 type S3Storage struct {
 	s3       *minio.Client
 	bucket   string
-	path   string
+	path     string
 	log      log.Logger
 	compress bool
 }
@@ -49,7 +50,7 @@ func NewS3Storage(cfg flags.S3Config, l log.Logger) (*S3Storage, error) {
 }
 
 func (s *S3Storage) Exists(ctx context.Context, hash common.Hash) (bool, error) {
-	_, err := s.s3.StatObject(ctx, s.bucket, s.path+hash.String(), minio.StatObjectOptions{})
+	_, err := s.s3.StatObject(ctx, s.bucket, path.Join(s.path, hash.String()), minio.StatObjectOptions{})
 	if err != nil {
 		errResponse := minio.ToErrorResponse(err)
 		if errResponse.Code == "NoSuchKey" {
@@ -63,7 +64,7 @@ func (s *S3Storage) Exists(ctx context.Context, hash common.Hash) (bool, error)
 }
 
 func (s *S3Storage) Read(ctx context.Context, hash common.Hash) (BlobData, error) {
-	res, err := s.s3.GetObject(ctx, s.bucket, s.path+hash.String(), minio.GetObjectOptions{})
+	res, err := s.s3.GetObject(ctx, s.bucket, path.Join(s.path, hash.String()), minio.GetObjectOptions{})
 	if err != nil {
 		s.log.Info("unexpected error fetching blob", "hash", hash.String(), "err", err)
 		return BlobData{}, ErrStorage
@@ -124,7 +125,7 @@ func (s *S3Storage) Write(ctx context.Context, data BlobData) error {
 
 	reader := bytes.NewReader(b)
 
-	_, err = s.s3.PutObject(ctx, s.bucket, s.path+data.Header.BeaconBlockHash.String(), reader, int64(len(b)), options)
+	_, err = s.s3.PutObject(ctx, s.bucket, path.Join(s.path, data.Header.BeaconBlockHash.String()), reader, int64(len(b)), options)
 
 	if err != nil {
 		s.log.Warn("error writing blob", "err", err)
diff --git a/common/storage/s3_test.go b/common/storage/s3_test.go
index 3a233a2..e1f6753 100644
--- a/common/storage/s3_test.go
+++ b/common/storage/s3_test.go
@@ -14,8 +14,8 @@ import (
 
 // Prior to running these tests, a local Minio server must be running.
 // You can accomplish this with:
-// docker-compose down # shut down any running services
-// docker-compose up minio create-buckets # start the minio service
+// docker compose down # shut down any running services
+// docker compose up minio create-buckets # start the minio service
 func setupS3(t *testing.T) *S3Storage {
 	if os.Getenv("RUN_INTEGRATION_TESTS") == "" {
 		t.Skip("skipping integration tests: set RUN_INTEGRATION_TESTS environment variable")