diff --git a/devel/p5-Error/Makefile b/devel/p5-Error/Makefile
index 23863fe8aba..167cd5c072a 100644
--- a/devel/p5-Error/Makefile
+++ b/devel/p5-Error/Makefile
@@ -1,10 +1,10 @@
-# $OpenBSD: Makefile,v 1.4 2007/03/15 11:30:07 jolan Exp $
+# $OpenBSD: Makefile,v 1.5 2007/03/17 15:22:42 steven Exp $
 
 COMMENT=	"error/exception handling in an OO-ish way"
 
 MODULES=	cpan
 DISTNAME=	Error-0.16
-PKGNAME=	${DISTNAME}p0
+PKGNAME=	p5-${DISTNAME}p0
 CATEGORIES=	devel
 
 # Artistic License
diff --git a/devel/p5-IPC-ShareLite/Makefile b/devel/p5-IPC-ShareLite/Makefile
index e11d6673345..eef3e342884 100644
--- a/devel/p5-IPC-ShareLite/Makefile
+++ b/devel/p5-IPC-ShareLite/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.5 2007/03/15 11:30:07 jolan Exp $
+# $OpenBSD: Makefile,v 1.6 2007/03/17 15:22:42 steven Exp $
 
 SHARED_ONLY=	Yes
 
@@ -6,7 +6,7 @@ COMMENT=	"simple interface to access shared memory"
 
 MODULES=	cpan
 DISTNAME=	IPC-ShareLite-0.09
-PKGNAME=	${DISTNAME}p0
+PKGNAME=	p5-${DISTNAME}p0
 CATEGORIES=	devel
 
 # Artistic License
diff --git a/math/p5-Math-GMP/Makefile b/math/p5-Math-GMP/Makefile
index 4b6cd177e56..847cda41ac9 100644
--- a/math/p5-Math-GMP/Makefile
+++ b/math/p5-Math-GMP/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.13 2007/03/15 11:30:07 jolan Exp $
+# $OpenBSD: Makefile,v 1.14 2007/03/17 15:22:42 steven Exp $
 
 SHARED_ONLY=	Yes
 
@@ -6,7 +6,7 @@ COMMENT=	"high speed arbitrary-size integer math"
 
 MODULES=	cpan
 DISTNAME=	Math-GMP-2.03
-PKGNAME=	${DISTNAME}p0
+PKGNAME=	p5-${DISTNAME}p0
 CATEGORIES=	math
 
 # GPL