diff --git a/Makefile b/Makefile
index ae1e1ea1aa9b2a0bc94a8b904153da73c03b2fad..31aec414c24effe79bdddb6d738dadaeb5fade53 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ SUBDIR+=	genom3-ros
 SUBDIR+=	genomix
 SUBDIR+=	gest-genom
 SUBDIR+=	hpp-geometry
-# the following has too many issues in bulk + virtualbox SUBDIR+=	hyper
+SUBDIR+=	hyper
 SUBDIR+=	hyper_genom
 SUBDIR+=	jafar-kernel
 SUBDIR+=	jafar-lgl
diff --git a/hyper/Makefile b/hyper/Makefile
index 7a40c3f497c867bcf0c499b95375c9a0ef9d29c4..a237173b8e34c6ce499d1b1cfca11e5491d9bd3d 100644
--- a/hyper/Makefile
+++ b/hyper/Makefile
@@ -15,6 +15,7 @@ COMMENT=		Multi-agent supervision framework for autonomous robots
 LICENSE=		2-clause-bsd
 
 USE_LANGUAGES=		c c++
+MAKE_JOBS_SAFE=		no # because gcc eats up to 1GB for some files...
 
 CMAKE_ARGS+=		-DBOOST_INCLUDEDIR=${PREFIX.boost-headers}/include
 CMAKE_ARGS+=		-DBOOST_LIBDIR=${PREFIX.boost-libs}/include