diff --git a/docs/howto/how-to-cross-build-runtime-for-arm.md b/docs/howto/how-to-cross-build-runtime-for-arm.md
index aebe96a7c3e..df1436b7b11 100644
--- a/docs/howto/how-to-cross-build-runtime-for-arm.md
+++ b/docs/howto/how-to-cross-build-runtime-for-arm.md
@@ -5,7 +5,7 @@
 Install required packages
 
 ```
-$ sudo apt-get install qemu qemu-user-static binfmt-support debootstrap
+$ sudo apt-get install qemu-user-static binfmt-support debootstrap
 ```
 
 Use `install_rootfs.sh` script to prepare Root File System. You should have `sudo`
diff --git a/tools/cross/install_rootfs.sh b/tools/cross/install_rootfs.sh
index 766247b9cc0..c45e45d3c0a 100755
--- a/tools/cross/install_rootfs.sh
+++ b/tools/cross/install_rootfs.sh
@@ -102,7 +102,7 @@ if [ $__IsProxySet == 1 ]; then
 fi
 
 if [[ -n $__LinuxCodeName ]]; then
-    qemu-debootstrap --arch $__QemuArch $__LinuxCodeName $__RootfsDir $__UbuntuRepo
+    debootstrap --arch $__QemuArch $__LinuxCodeName $__RootfsDir $__UbuntuRepo
     cp $__CrossDir/$__BuildArch/sources.list.$__LinuxCodeName $__RootfsDir/etc/apt/sources.list
     chroot $__RootfsDir apt-get update
     chroot $__RootfsDir apt-get -f -y install