diff --git a/srcpkgs/j/template b/srcpkgs/j/template
index 0c50aead44..f2d4a5463a 100644
--- a/srcpkgs/j/template
+++ b/srcpkgs/j/template
@@ -4,7 +4,7 @@ _vmaj=901
 _vmin=e
 _vrel=${_vmaj}-release${_vmin:+-}${_vmin}
 version=${_vmaj}.${_vmin}
-revision=4
+revision=5
 archs="aarch64* armv[67]* i686* x86_64*"
 wrksrc="jsource-j${_vrel}"
 makedepends="libedit-devel libgomp-devel libomp-devel"
@@ -64,6 +64,7 @@ do_configure() {
 # the correct one on the target machine.
 do_build() {
 	cd make2  # The build scripts assume this is $PWD
+	export USE_OPENMP=1
 
 	jplatform=${_jpl} j64x=${_jsz} ./build_jconsole.sh
 	jplatform=${_jpl} j64x=${_jsz} ./build_libj.sh