diff --git a/socat.spec b/socat.spec
index 4d8fc4e..81c5f39 100644
--- a/socat.spec
+++ b/socat.spec
@@ -1,13 +1,14 @@
 Summary: Bidirectional data relay between two data channels ('netcat++')
 Name: socat
 Version: 1.5.0.0
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: GPL
 Url:  http://www.dest-unreach.org/%{name}
 Source: http://www.dest-unreach.org/socat/download/%{name}-%{version}.tar.bz2
 Group: Applications/Internet
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-BuildRequires: openssl-devel readline-devel ncurses-devel
+BuildRequires: openssl-devel readline-devel ncurses-devel kernel-headers > 2.6.18
+Patch0: socat-ext2.patch
 
 %description
 Socat is a relay for bidirectional data transfer between two independent data
@@ -19,7 +20,8 @@ line editor (readline), a program, or a combination of two of these.
 
 %prep
 %setup -q 
-
+# some linux ext2 defines moved into fs.h, patch sent to upstream.
+%patch0 -p0
 
 %configure  \
         --enable-help --enable-stdio \
@@ -57,6 +59,10 @@ rm -rf %{buildroot}
 %doc %{_mandir}/man1/socat.1*
 
 %changelog
+* Mon Feb 19 2007 Paul Wouters <paul@xelerance.com> 1.5.0.0-4
+- Some filesystem defines moved from their specific (ext2)
+  filesystem defines into the generic <linux/fs.h>. 
+
 * Mon Sep 11 2006 Paul Wouters <paul@xelerance.com> 1.5.0.0-3
 - Rebuild requested for PT_GNU_HASH support from gcc