diff --git a/math/asymptote/Makefile b/math/asymptote/Makefile
index 70a4a3cc90f6..eb306603ece5 100644
--- a/math/asymptote/Makefile
+++ b/math/asymptote/Makefile
@@ -43,6 +43,7 @@ USE_GHOSTSCRIPT=yes
 USE_GL=	glut
 USE_GMAKE=	yes
 USE_PYTHON=	yes
+MAKE_JOBS_UNSAFE=	yes
 
 WRKSRC=	${WRKDIR}/${PORTNAME}-${PORTVERSION}