diff --git a/src/main/java/com/seomse/s3/service/S3Service.java b/src/main/java/com/seomse/s3/service/S3Service.java
index 044c255..64ffafe 100644
--- a/src/main/java/com/seomse/s3/service/S3Service.java
+++ b/src/main/java/com/seomse/s3/service/S3Service.java
@@ -48,7 +48,7 @@ public String upload(MultipartFile file, String folder) throws IOException {
 			RequestBody.fromInputStream(file.getInputStream(), file.getSize())
 		);
 
-		return cloudFrontDomain + "/" + key;
+		return "https://" + cloudFrontDomain + "/" + key;
 	}
 
 	private String getExtension(String fileName) {