diff --git a/cmd/notification.go b/cmd/notification.go
index baf553be7..006644b1c 100644
--- a/cmd/notification.go
+++ b/cmd/notification.go
@@ -335,6 +335,7 @@ func (sys *NotificationSys) DownloadProfilingData(ctx context.Context, writer io
 				logger.LogIf(ctx, zerr)
 				continue
 			}
+			header.Method = zip.Deflate
 			zwriter, zerr := zipWriter.CreateHeader(header)
 			if zerr != nil {
 				reqInfo := (&logger.ReqInfo{}).AppendTags("peerAddress", client.host.String())
@@ -381,6 +382,7 @@ func (sys *NotificationSys) DownloadProfilingData(ctx context.Context, writer io
 		if zerr != nil {
 			return profilingDataFound
 		}
+		header.Method = zip.Deflate
 
 		zwriter, zerr := zipWriter.CreateHeader(header)
 		if zerr != nil {