diff --git a/net-mgmt/net-snmp-devel/Makefile b/net-mgmt/net-snmp-devel/Makefile
index 4c9f2a7d5347..7a3f2e7bb464 100644
--- a/net-mgmt/net-snmp-devel/Makefile
+++ b/net-mgmt/net-snmp-devel/Makefile
@@ -13,6 +13,7 @@ MASTER_SITES= 	${MASTER_SITE_SOURCEFORGE} \
 		ftp://sunsite.cnlab-switch.ch/mirror/ucd-snmp/ \
 		ftp://ftp.win.or.jp/pub/network/snmp/ucd-snmp/
 MASTER_SITE_SUBDIR= net-snmp
+DISTNAME=	ucd-snmp-${PORTVERSION}
 
 MAINTAINER=	billf@FreeBSD.org
 
diff --git a/net-mgmt/net-snmp/Makefile b/net-mgmt/net-snmp/Makefile
index 4c9f2a7d5347..7a3f2e7bb464 100644
--- a/net-mgmt/net-snmp/Makefile
+++ b/net-mgmt/net-snmp/Makefile
@@ -13,6 +13,7 @@ MASTER_SITES= 	${MASTER_SITE_SOURCEFORGE} \
 		ftp://sunsite.cnlab-switch.ch/mirror/ucd-snmp/ \
 		ftp://ftp.win.or.jp/pub/network/snmp/ucd-snmp/
 MASTER_SITE_SUBDIR= net-snmp
+DISTNAME=	ucd-snmp-${PORTVERSION}
 
 MAINTAINER=	billf@FreeBSD.org
 
diff --git a/net-mgmt/net-snmp4/Makefile b/net-mgmt/net-snmp4/Makefile
index 4c9f2a7d5347..7a3f2e7bb464 100644
--- a/net-mgmt/net-snmp4/Makefile
+++ b/net-mgmt/net-snmp4/Makefile
@@ -13,6 +13,7 @@ MASTER_SITES= 	${MASTER_SITE_SOURCEFORGE} \
 		ftp://sunsite.cnlab-switch.ch/mirror/ucd-snmp/ \
 		ftp://ftp.win.or.jp/pub/network/snmp/ucd-snmp/
 MASTER_SITE_SUBDIR= net-snmp
+DISTNAME=	ucd-snmp-${PORTVERSION}
 
 MAINTAINER=	billf@FreeBSD.org
 
diff --git a/net-mgmt/net-snmp53/Makefile b/net-mgmt/net-snmp53/Makefile
index 4c9f2a7d5347..7a3f2e7bb464 100644
--- a/net-mgmt/net-snmp53/Makefile
+++ b/net-mgmt/net-snmp53/Makefile
@@ -13,6 +13,7 @@ MASTER_SITES= 	${MASTER_SITE_SOURCEFORGE} \
 		ftp://sunsite.cnlab-switch.ch/mirror/ucd-snmp/ \
 		ftp://ftp.win.or.jp/pub/network/snmp/ucd-snmp/
 MASTER_SITE_SUBDIR= net-snmp
+DISTNAME=	ucd-snmp-${PORTVERSION}
 
 MAINTAINER=	billf@FreeBSD.org
 
diff --git a/net/net-snmp/Makefile b/net/net-snmp/Makefile
index 4c9f2a7d5347..7a3f2e7bb464 100644
--- a/net/net-snmp/Makefile
+++ b/net/net-snmp/Makefile
@@ -13,6 +13,7 @@ MASTER_SITES= 	${MASTER_SITE_SOURCEFORGE} \
 		ftp://sunsite.cnlab-switch.ch/mirror/ucd-snmp/ \
 		ftp://ftp.win.or.jp/pub/network/snmp/ucd-snmp/
 MASTER_SITE_SUBDIR= net-snmp
+DISTNAME=	ucd-snmp-${PORTVERSION}
 
 MAINTAINER=	billf@FreeBSD.org
 
diff --git a/net/net-snmp4/Makefile b/net/net-snmp4/Makefile
index 4c9f2a7d5347..7a3f2e7bb464 100644
--- a/net/net-snmp4/Makefile
+++ b/net/net-snmp4/Makefile
@@ -13,6 +13,7 @@ MASTER_SITES= 	${MASTER_SITE_SOURCEFORGE} \
 		ftp://sunsite.cnlab-switch.ch/mirror/ucd-snmp/ \
 		ftp://ftp.win.or.jp/pub/network/snmp/ucd-snmp/
 MASTER_SITE_SUBDIR= net-snmp
+DISTNAME=	ucd-snmp-${PORTVERSION}
 
 MAINTAINER=	billf@FreeBSD.org