diff --git a/srcpkgs/openjdk10-bootstrap/template b/srcpkgs/openjdk10-bootstrap/template
index c194380c272..6711ab6aec2 100644
--- a/srcpkgs/openjdk10-bootstrap/template
+++ b/srcpkgs/openjdk10-bootstrap/template
@@ -23,8 +23,8 @@ configure_args="
  --with-version-build=${_jdk_build}
  --with-boot-jdk=/usr/lib/jvm/java-9-openjdk"
 make_build_args="images"
-hostmakedepends="pkg-config automake autoconf cpio unzip zip ca-certificates
- zlib-devel openjdk9-bootstrap"
+hostmakedepends="pkg-config automake autoconf cpio tar unzip zip ca-certificates
+ zlib-devel which openjdk9-bootstrap"
 makedepends="libXrender-devel libXtst-devel libXt-devel libXrandr-devel
  giflib-devel libpng-devel libjpeg-turbo-devel lcms2-devel cups-devel
  freetype-devel alsa-lib-devel fontconfig-devel zlib-devel"