diff -ruN pokerth.old/Makefile pokerth/Makefile
--- pokerth.old/Makefile	2009-03-25 15:36:10.000000000 +0100
+++ pokerth/Makefile	2009-03-25 15:36:41.000000000 +0100
@@ -20,6 +20,7 @@
 		gnutls.26:${PORTSDIR}/security/gnutls \
 		curl.5:${PORTSDIR}/ftp/curl
 
+MAKE_JOBS_SAFE=	yes
 USE_ICONV=	yes
 USE_BZIP2=	yes
 USE_GMAKE=	yes