diff --git a/math/coinmp/Makefile b/math/coinmp/Makefile
index 273a1e4302c9..3d002b5177ba 100644
--- a/math/coinmp/Makefile
+++ b/math/coinmp/Makefile
@@ -22,10 +22,11 @@ USES=	libtool pathfix pkgconfig tar:tgz
 USE_LDCONFIG=	yes
 CXXFLAGS+=	-ffast-math
 
-OPTIONS_DEFINE=	DEBUG DOCS FORTRAN GLPK
+OPTIONS_DEFINE=	DEBUG DOCS FORTRAN GLPK PARALLEL
 
 FORTRAN_DESC=	Use BLAS/LAPACK with the Fortran interface
 GLPK_DESC=	GNU Linear Programming Kit support
+PARALLEL_DESC=	Enable CBC threads support
 
 PORTDOCS=	*
 
@@ -40,6 +41,8 @@ GLPK_CONFIGURE_ON=	--with-gmpl-incdir=${LOCALBASE}/include	\
 			--with-gmpl-lib="-L${LOCALBASE}/lib -lglpk"
 GLPK_CONFIGURE_OFF=	--disable-glpk-libcheck
 
+PARALLEL_CONFIGURE_ON=	--enable-cbc-parallel
+
 STRIP_FILES=	libCoinUtils libOsi libOsiClp libOsiCommonTests libClp libClpSolver \
 		libCgl libCbc libCbcSolver libOsiCbc libCoinMP