diff --git a/src/source/building-kernels.jd b/src/source/building-kernels.jd
index 7d11614..41e364b 100644
--- a/src/source/building-kernels.jd
+++ b/src/source/building-kernels.jd
@@ -166,7 +166,7 @@
 </code></pre>
 <p>For Nexus 5 (hammerhead), this can be accomplished with:</p>
 <pre><code>
-$ bzgrep -a 'Linux version' vmlinux.bz2
+$ dd if=zImage-dtb bs=1 skip=$(LC_ALL=C od -Ad -x -w2 zImage-dtb | grep 8b1f | cut -d ' ' -f1 | head -1) | zgrep -a 'Linux version'
 </code></pre>