diff --git a/backend/internal/s3/s3.go b/backend/internal/s3/s3.go
index 10c98f5..6f2fe5c 100644
--- a/backend/internal/s3/s3.go
+++ b/backend/internal/s3/s3.go
@@ -14,7 +14,7 @@ import (
 var Client Uploader
 
 type Uploader interface {
-	Upload(ctx context.Context, bucket, key string, body io.Reader) error
+	Upload(ctx context.Context, bucket, key string, body io.Reader, contentType string) error
 	Download(ctx context.Context, bucket, key string, w io.Writer) error
 	Delete(ctx context.Context, bucket, key string) error
 	GetURL(ctx context.Context, bucket, key string) (string, error)
@@ -49,7 +49,7 @@ func Connect() error {
 	return nil
 }
 
-func (s *S3Client) Upload(ctx context.Context, bucket, key string, body io.Reader) error {
+func (s *S3Client) Upload(ctx context.Context, bucket, key string, body io.Reader, contentType string) error {
 	return fmt.Errorf("S3 Upload not implemented: add AWS SDK v2 dependency")
 }
 
diff --git a/backend/internal/s3/s3_dev.go b/backend/internal/s3/s3_dev.go
index 37914c5..a88ec2e 100644
--- a/backend/internal/s3/s3_dev.go
+++ b/backend/internal/s3/s3_dev.go
@@ -19,7 +19,7 @@ import (
 var Client Uploader
 
 type Uploader interface {
-	Upload(ctx context.Context, bucket, key string, body io.Reader) error
+	Upload(ctx context.Context, bucket, key string, body io.Reader, contentType string) error
 	Download(ctx context.Context, bucket, key string, w io.Writer) error
 	Delete(ctx context.Context, bucket, key string) error
 	GetURL(ctx context.Context, bucket, key string) (string, error)
@@ -167,12 +167,12 @@ func Connect() error {
 	return nil
 }
 
-func (s *S3Client) Upload(ctx context.Context, bucket, key string, body io.Reader) error {
+func (s *S3Client) Upload(ctx context.Context, bucket, key string, body io.Reader, contentType string) error {
 	_, err := s.client.PutObject(ctx, &s3.PutObjectInput{
 		Bucket:      aws.String(bucket),
 		Key:         aws.String(key),
 		Body:        body,
-		ContentType: aws.String("image/jpeg"),
+		ContentType: aws.String(contentType),
 	})
 	return err
 }