diff --git a/weed/s3api/s3api_object_copy_handlers.go b/weed/s3api/s3api_object_copy_handlers.go
index 9157748f6..6b67ef337 100644
--- a/weed/s3api/s3api_object_copy_handlers.go
+++ b/weed/s3api/s3api_object_copy_handlers.go
@@ -75,8 +75,8 @@ func (s3a *S3ApiServer) CopyObjectHandler(w http.ResponseWriter, r *http.Request
 		return
 	}
 
-	dstUrl := fmt.Sprintf("http://%s%s/%s%s?collection=%s",
-		s3a.option.Filer.ToHttpAddress(), s3a.option.BucketsPath, dstBucket, urlPathEscape(dstObject), dstBucket)
+	dstUrl := fmt.Sprintf("http://%s%s/%s%s",
+		s3a.option.Filer.ToHttpAddress(), s3a.option.BucketsPath, dstBucket, urlPathEscape(dstObject))
 	srcUrl := fmt.Sprintf("http://%s%s/%s%s",
 		s3a.option.Filer.ToHttpAddress(), s3a.option.BucketsPath, srcBucket, urlPathEscape(srcObject))
 
@@ -164,8 +164,8 @@ func (s3a *S3ApiServer) CopyObjectPartHandler(w http.ResponseWriter, r *http.Req
 
 	rangeHeader := r.Header.Get("x-amz-copy-source-range")
 
-	dstUrl := fmt.Sprintf("http://%s%s/%s/%04d.part?collection=%s",
-		s3a.option.Filer.ToHttpAddress(), s3a.genUploadsFolder(dstBucket), uploadID, partID, dstBucket)
+	dstUrl := fmt.Sprintf("http://%s%s/%s/%04d.part",
+		s3a.option.Filer.ToHttpAddress(), s3a.genUploadsFolder(dstBucket), uploadID, partID)
 	srcUrl := fmt.Sprintf("http://%s%s/%s%s",
 		s3a.option.Filer.ToHttpAddress(), s3a.option.BucketsPath, srcBucket, urlPathEscape(srcObject))
 
diff --git a/weed/s3api/s3api_object_multipart_handlers.go b/weed/s3api/s3api_object_multipart_handlers.go
index 768f4d180..d2ff87832 100644
--- a/weed/s3api/s3api_object_multipart_handlers.go
+++ b/weed/s3api/s3api_object_multipart_handlers.go
@@ -247,8 +247,8 @@ func (s3a *S3ApiServer) PutObjectPartHandler(w http.ResponseWriter, r *http.Requ
 
 	glog.V(2).Infof("PutObjectPartHandler %s %s %04d", bucket, uploadID, partID)
 
-	uploadUrl := fmt.Sprintf("http://%s%s/%s/%04d.part?collection=%s",
-		s3a.option.Filer.ToHttpAddress(), s3a.genUploadsFolder(bucket), uploadID, partID, bucket)
+	uploadUrl := fmt.Sprintf("http://%s%s/%s/%04d.part",
+		s3a.option.Filer.ToHttpAddress(), s3a.genUploadsFolder(bucket), uploadID, partID)
 
 	if partID == 1 && r.Header.Get("Content-Type") == "" {
 		dataReader = mimeDetect(r, dataReader)