diff --git a/.cvsignore b/.cvsignore
index 2455eeb..852442d 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1 +1 @@
-ipv6calc-0.49.tar.gz
+ipv6calc-0.50.tar.gz
diff --git a/ipv6calc.spec b/ipv6calc.spec
index 91410bc..588f736 100644
--- a/ipv6calc.spec
+++ b/ipv6calc.spec
@@ -1,7 +1,7 @@
 Summary: 	IPv6 address format change and calculation utility
 Name: 		ipv6calc
-Version: 	0.49
-Release: 	2
+Version: 	0.50
+Release: 	1
 Group:		Applications/Text
 URL: 		http://www.deepspace6.net/projects/%{name}.html
 License: 	GNU GPL version 2
@@ -9,8 +9,6 @@ Source: 	ftp://ftp.bieringer.de/pub/linux/IPv6/ipv6calc/%{name}-%{version}.tar.g
 Requires:	krb5-libs
 BuildRequires:	krb5-devel
 BuildRoot:	%{_tmppath}/%{name}-%{version}-root
-Patch0:		ipv6calc-0.49-copy_struct.patch
-Patch1:		ipv6calc-0.49-templen.patch
 
 %description
 ipv6calc is a small utility which formats and calculates IPv6 addresses in
@@ -24,8 +22,6 @@ Many more format conversions are supported, see given URL for more.
 
 %prep
 %setup -q
-%patch0 -p1 -b .copy_struct
-%patch1 -p1 -b .templen
 %configure
 
 %build
@@ -59,6 +55,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man8/*
 
 %changelog
+* Fri Sep 16 2005 Radek Vokal <rvokal@redhat.com> 0.50-1
+- due to several other off-by-one bugs upgrade to 0.50
+
 * Thu Sep 15 2005 Radek Vokal <rvokal@redhat.com> 0.49-2
 - smash stack fix in ipv6calc_copy
 - increase len of tmpstr
diff --git a/sources b/sources
index 024162c..c771e3b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-180b64aaedad4db310cc2f50d1676215  ipv6calc-0.49.tar.gz
+4866bd267dc801e52c36d2f2a4500d53  ipv6calc-0.50.tar.gz