diff --git a/sysutils/lsof/Makefile b/sysutils/lsof/Makefile
index 50386c111de..cb3423282b8 100644
--- a/sysutils/lsof/Makefile
+++ b/sysutils/lsof/Makefile
@@ -1,10 +1,10 @@
-# $OpenBSD: Makefile,v 1.64 2009/01/01 22:31:43 pvalchev Exp $
+# $OpenBSD: Makefile,v 1.65 2009/02/15 23:46:08 sthen Exp $
 
 COMMENT=	list information about open files
 
 VERSION=	4.81
 DISTNAME=	lsof_${VERSION}
-PKGNAME=	${DISTNAME:S/_/-/}
+PKGNAME=	${DISTNAME:S/_/-/}p0
 CATEGORIES=	sysutils
 MASTER_SITES=	ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/ \
 		ftp://ftp.fu-berlin.de/pub/unix/tools/lsof/ \
diff --git a/sysutils/lsof/patches/patch-Configure b/sysutils/lsof/patches/patch-Configure
index 85c1e0f353c..a003304e44c 100644
--- a/sysutils/lsof/patches/patch-Configure
+++ b/sysutils/lsof/patches/patch-Configure
@@ -1,7 +1,7 @@
-$OpenBSD: patch-Configure,v 1.24 2008/07/02 19:02:20 brad Exp $
---- Configure.orig	Mon Apr 10 08:44:22 2006
-+++ Configure	Wed Jul  2 14:27:55 2008
-@@ -3381,6 +3381,32 @@ return(0); }
+$OpenBSD: patch-Configure,v 1.25 2009/02/15 23:46:08 sthen Exp $
+--- Configure.orig	Tue Oct 21 12:21:45 2008
++++ Configure	Sun Feb 15 18:34:42 2009
+@@ -3687,6 +3687,36 @@ return(0); }
  	echo "!!!WARNING!!!  Unsupported OpenBSD 3.x version: $LSOF_VSTR"
  	echo "!!!WARNING!!!  Configuring for OpenBSD 3.9"
  	;;
@@ -25,21 +25,25 @@ $OpenBSD: patch-Configure,v 1.24 2008/07/02 19:02:20 brad Exp $
 +	LSOF_TSTBIGF=" "
 +	LSOF_VERS=4040
 +	;;
++      4.5*)
++	LSOF_TSTBIGF=" "
++	LSOF_VERS=4050
++	;;
 +      4*)
 +	LSOF_TSTBIGF=" "
-+	LSOF_VERS=4040
++	LSOF_VERS=4050
 +	echo "!!!WARNING!!!  Unsupported OpenBSD 4.x version: $LSOF_VSTR"
-+	echo "!!!WARNING!!!  Configuring for OpenBSD 4.4"
++	echo "!!!WARNING!!!  Configuring for OpenBSD 4.5"
 +	;;
        *)
  	echo "Unknown OpenBSD release: $LSOF_VSTR"
  	echo Assuming OpenBSD 3.9
-@@ -3392,7 +3418,7 @@ return(0); }
+@@ -3698,7 +3728,7 @@ return(0); }
      # Test for legal OpenBSD version.
  
      case $LSOF_VERS in	# {
 -    1020|2050|2060|2070|2080|2090|3000|3010|3020|3030|3040|3050|3060|3070|3080|3090)
-+    1020|2050|2060|2070|2080|2090|3000|3010|3020|3030|3040|3050|3060|3070|3080|3090|4000|4010|4020|4030|4040)
++    1020|2050|2060|2070|2080|2090|3000|3010|3020|3030|3040|3050|3060|3070|3080|3090|4000|4010|4020|4030|4040|4050)
        ;;
      *)
        echo "Unknown OpenBSD version: $LSOF_VERS"