diff --git a/prepare-emmc-qemu/prepare-emmc-qemu b/prepare-emmc-qemu/prepare-emmc-qemu
index e7cbadf..d0b854a 100755
--- a/prepare-emmc-qemu/prepare-emmc-qemu
+++ b/prepare-emmc-qemu/prepare-emmc-qemu
@@ -37,6 +37,8 @@
     exit 1
 fi
 
+xzdec -V > /dev/null
+
 set -x
 
 target="$1"