diff --git a/Mk/bsd.port.mk b/Mk/bsd.port.mk
index 238dcdee8492..7394a52ecb9e 100644
--- a/Mk/bsd.port.mk
+++ b/Mk/bsd.port.mk
@@ -2560,6 +2560,9 @@ SET_LATE_CONFIGURE_ARGS= \
 	if [ ! -z "`${CONFIGURE_CMD} --help 2>&1 | ${GREP} -- '--disable-silent-rules'`" ]; then \
 	    _LATE_CONFIGURE_ARGS="$${_LATE_CONFIGURE_ARGS} --disable-silent-rules" ; \
 	fi ; \
+	if [ ! -z "`${CONFIGURE_CMD} --help 2>&1 | ${GREP} -- '--enable-jobserver\[.*\#\]'`" ]; then \
+	    _LATE_CONFIGURE_ARGS="$${_LATE_CONFIGURE_ARGS} --enable-jobserver=${MAKE_JOBS_NUMBER}" ; \
+	fi ; \
 	if [ ! -z "`${CONFIGURE_CMD} --help 2>&1 | ${GREP} -- '--infodir'`" ]; then \
 	    _LATE_CONFIGURE_ARGS="$${_LATE_CONFIGURE_ARGS} --infodir=${GNU_CONFIGURE_PREFIX}/${INFO_PATH}/${INFO_SUBDIR}" ; \
 	fi ; \
diff --git a/databases/libmemcached/Makefile b/databases/libmemcached/Makefile
index e23851a5545c..6dd6128ade7d 100644
--- a/databases/libmemcached/Makefile
+++ b/databases/libmemcached/Makefile
@@ -21,7 +21,6 @@ USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--without-memcached \
 		--without-sphinx-build \
-		--enable-jobserver=${MAKE_JOBS_NUMBER} \
 		--enable-libmemcachedprotocol
 
 LIBS+=		-L${LOCALBASE}/lib -lexecinfo