diff --git a/.cvsignore b/.cvsignore
index faffb33..1ca4824 100644
--- a/.cvsignore
+++ b/.cvsignore
@@ -1 +1,2 @@
 grep-2.5.1.tar.bz2
+grep-2.5.1a.tar.bz2
diff --git a/grep.spec b/grep.spec
index 5c9eca0..86b70ad 100644
--- a/grep.spec
+++ b/grep.spec
@@ -4,7 +4,7 @@ Version: 2.5.1
 Release: 45
 License: GPL
 Group: Applications/Text
-Source: ftp://ftp.gnu.org/pub/gnu/grep/grep-%{version}.tar.bz2
+Source: ftp://ftp.gnu.org/pub/gnu/grep/grep-%{version}a.tar.bz2
 Patch0: grep-2.5.1-fgrep.patch
 Patch1: grep-2.5.1-bracket.patch
 Patch2: grep-2.5-i18n.patch
@@ -30,7 +30,7 @@ You should install grep on your system, because it is a very useful
 utility for searching through text.
 
 %prep
-%setup -q
+%setup -q -n %{name}-%{version}a
 %patch0 -p1 -b .fgrep
 %patch1 -p1 -b .bracket
 %patch2 -p1 -b .i18n
@@ -88,6 +88,9 @@ fi
 %{_mandir}/*/*
 
 %changelog
+* Fri Jan  7 2005 Tim Waugh <twaugh@redhat.com>
+- Rebased on 2.5.1a.
+
 * Fri Dec 31 2004 Tim Waugh <twaugh@redhat.com> 2.5.1-45
 - More tests (Jakub Jelinek).
 - Jakub Jelinek's much improved -Fi algorithm.
diff --git a/sources b/sources
index 4cc80f4..1bf3170 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-ddd99e2d5d4f4611357e31e97f080cf2  grep-2.5.1.tar.bz2
+52202fe462770fa6be1bb667bd6cf30c  grep-2.5.1a.tar.bz2