diff --git a/Makefile b/Makefile
index cb950444..753ba704 100644
--- a/Makefile
+++ b/Makefile
@@ -104,7 +104,7 @@ test:
 
 .PHONY: upload
 upload: ${DEB}
-	tar cf - ${DEBS} | ssh repoman@repo.proxmox.com upload --product pve --dist buster
+	tar cf - ${DEBS} | ssh -X repoman@repo.proxmox.com upload --product pve --dist buster
 
 .PHONY: clean
 clean: