diff --git a/configs/qemu_microblazebe_mmu_defconfig b/configs/qemu_microblazebe_mmu_defconfig
index 378e972903..156e264b00 100644
--- a/configs/qemu_microblazebe_mmu_defconfig
+++ b/configs/qemu_microblazebe_mmu_defconfig
@@ -1,14 +1,25 @@
+# Architecture
 BR2_microblaze=y
 BR2_microblazebe=y
+
+# Special toolchain
 BR2_TOOLCHAIN_EXTERNAL=y
 BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEBE_V2=y
 BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
 BR2_TOOLCHAIN_EXTERNAL_CXX=y
+
+# System
 BR2_TARGET_GENERIC_GETTY_PORT="ttyUL0"
+
+# Filesystem
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_TARGET_ROOTFS_INITRAMFS=y
+
+# Kernel
 BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="3.3.5"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/microblazebe-mmu/kernel-3.3.config"
 BR2_LINUX_KERNEL_DTS_FILE="board/qemu/microblazebe-mmu/system.dts"