diff --git a/libguestfs.spec b/libguestfs.spec
index 85c0521..950df95 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -605,7 +605,7 @@ arch=`arch`
 %ifarch %ix86
 arch=i586
 %endif
-cp -avL /boot/vmlinuz mkinitrd/boot_tmp/vmlinuz.${arch}
+cp -avL '%{kernel_binary}' mkinitrd/boot_tmp/vmlinuz.${arch}
 cp -avL /boot/System.map-${kver} mkinitrd/boot_tmp
 %if 0
 # [Bug 778149] mkinitrd does not copy links correctly