diff --git a/build.sh b/build.sh
index 146e46d619..8b6bfdabe8 100755
--- a/build.sh
+++ b/build.sh
@@ -284,6 +284,7 @@ find_os() {
         *linux*) OS=linux;;
         *Linux*) OS=linux;;
         FreeBSD) OS=freebsd;;
+        Haiku) OS=haiku;;
     esac
 }