diff --git a/syslinux.spec b/syslinux.spec
index aa74f89e4bb75bf7ff2b8f34a08b20a362cad857..fcee033a84390fd114b99d89439649eaf5bdcc0d 100644
--- a/syslinux.spec
+++ b/syslinux.spec
@@ -11,7 +11,7 @@ Summary:	Simple kernel loader which boots from a FAT filesystem
 
 License:	GPLv2+
 URL:		http://syslinux.zytor.com/wiki/index.php/The_Syslinux_Project
-Source0:	https://mirrors.edge.kernel.org/pub/linux/utils/boot/syslinux/Testing/6.04/%{name}-%{version_num}-pre1.tar.xz
+Source0:	https://mirrors.edge.kernel.org/pub/linux/utils/boot/syslinux/Testing/6.04/%{name}-%{version_num}-pre1.tar.gz
 
 ExclusiveArch:  x86_64
 BuildRequires:	gcc, mingw64-gcc