diff --git a/srcpkgs/boost/template b/srcpkgs/boost/template
index a430e208f9e..7dffd8ac155 100644
--- a/srcpkgs/boost/template
+++ b/srcpkgs/boost/template
@@ -3,7 +3,7 @@ pkgname=boost
 version=1.69.0
 revision=6
 wrksrc="${pkgname}_${version//\./_}"
-hostmakedepends="bzip2-devel icu-devel python-devel python3-devel"
+hostmakedepends="which bzip2-devel icu-devel python-devel python3-devel"
 makedepends="zlib-devel bzip2-devel icu-devel python-devel python3-devel"
 short_desc="Free peer-reviewed portable C++ source libraries"
 maintainer="John <johnz@posteo.net>"