diff --git a/doc/building.md b/doc/building.md
index c2e3350b..ef1e94b7 100644
--- a/doc/building.md
+++ b/doc/building.md
@@ -62,3 +62,13 @@ mkdir xlarig/build && cd xlarig/build
 cmake ..
 make -j$(nproc)
 ```
+
+### FreeBSD / BSD
+
+```
+sudo pkg install git cmake automake libtool autoconf openssl
+git clone https://github.com/scala-network/xlarig
+mkdir xlarig/build && cd xlarig/build
+cmake ..
+make -j$(sysctl -n hw.ncpu)
+```