diff -r -u linux-4.4.0/debian.master/rules.d/s390x.mk linux-4.4.0.new/debian.master/rules.d/s390x.mk
--- linux-4.4.0/debian.master/rules.d/s390x.mk	2016-04-07 18:39:51.000000000 +0300
+++ linux-4.4.0.new/debian.master/rules.d/s390x.mk	2016-04-07 18:15:53.326464427 +0300
@@ -3,8 +3,8 @@
 header_arch     = $(build_arch)
 defconfig       = defconfig
 flavours        = generic
-build_image	= image
-kernel_file	= arch/$(build_arch)/boot/image
+build_image	= bzImage
+kernel_file	= arch/$(build_arch)/boot/bzImage
 install_file	= vmlinuz
 
 vdso		= vdso_install