diff --git a/graphics/allegrogl/Makefile b/graphics/allegrogl/Makefile
index 3b076060af90..a266350a1e1c 100644
--- a/graphics/allegrogl/Makefile
+++ b/graphics/allegrogl/Makefile
@@ -16,6 +16,8 @@ COMMENT=	OpenGL inteface for Allegro library
 
 LIB_DEPENDS=	alleg.42:${PORTSDIR}/devel/allegro
 
+CONFLICTS=	allegro-devel-[0-9]*
+
 USE_BZIP2=	yes
 USE_GMAKE=	yes
 USE_GL=		glu
diff --git a/irc/charybdis/Makefile b/irc/charybdis/Makefile
index 181ec235047e..f3020d035775 100644
--- a/irc/charybdis/Makefile
+++ b/irc/charybdis/Makefile
@@ -17,11 +17,11 @@ COMMENT=	A powerful IRC daemon, based on ircd-ratbox
 
 LICENSE=	GPLv2
 
-CONFLICTS=	ircd-ratbox-[0-9]* \
-		ircd-ratbox-devel-[0-9]* \
-		nefarious-[0-9]* \
-		ircd-hybrid-[0-9]* \
-		ptlink-ircd-[0-9]*
+CONFLICTS=	ircd-ratbox-[0-9]* ircd-ratbox-devel-[0-9]* \
+		nefarious-[0-9]* ircd-hybrid-[0-9]* \
+		ptlink-ircd-[0-9]* bnc-[0-9]* \
+		expect-[0-9]* whois-[0-9]* undernet-ircu-[0-9]* \
+		ru-ircd-hybrid-[0-9]* \
 
 MAN8=		ircd.8
 
diff --git a/net/openradius/Makefile b/net/openradius/Makefile
index e7c163a6ad5f..6d1b481e9bfd 100644
--- a/net/openradius/Makefile
+++ b/net/openradius/Makefile
@@ -17,7 +17,8 @@ COMMENT=	A RADIUS server with some actual documentation
 
 LOGFILE?=	/var/log/openradius.log
 
-CONFLICTS=	freeradius-0.* gnu-radius-1.* radiusd-cistron-1.*
+CONFLICTS=	freeradius-[0-9]* gnu-radius-[0-9]* radiusd-cistron-[0-9]* \
+		freeradius-mysql-[0-9]*
 
 CC?=		gcc
 CXX?=		g++
diff --git a/www/mnogosearch/Makefile b/www/mnogosearch/Makefile
index 056d608464ed..6f2e39b38cce 100644
--- a/www/mnogosearch/Makefile
+++ b/www/mnogosearch/Makefile
@@ -14,6 +14,8 @@ MASTER_SITES=	http://www.mnogosearch.org/Download/ \
 MAINTAINER=	crees@FreeBSD.org
 COMMENT=	Full featured SQL-based hypertext search engine
 
+CONFLICTS=	dpsearch-[0-9]* udmsearch-[0-9]* mguesser-[0-9]*
+
 MAN1=		indexer.1
 MAN5=		indexer.conf.5