diff --git a/libusb.spec b/libusb.spec
index 74466f0..68d2b34 100644
--- a/libusb.spec
+++ b/libusb.spec
@@ -3,6 +3,7 @@ Name: libusb
 Version: 0.1.11
 Release: 1
 Source0: http://prdownloads.sourceforge.net/libusb/%{name}-%{version}.tar.gz
+Patch0: libusb-0.1.11-format.patch
 License: LGPL
 Group: System Environment/Libraries
 BuildRoot: %{_tmppath}/%{name}-%{version}-root
@@ -25,6 +26,8 @@ develop applications that use libusb.
 
 %prep
 %setup -q
+%patch0 -p1 -b .format
+
 # Fix libdir in configure.in.
 mv -f configure.in configure.in.old
 sed -e 's|\${libdir}|$RPM_BUILD_ROOT%{_libdir}|' < configure.in.old > configure.in
@@ -71,6 +74,7 @@ rm -rf $RPM_BUILD_ROOT
 * Fri Jan 20 2006 Jindrich Novy <jnovy@redhat.com> 0.1.11-1
 - 0.1.11
 - require pkgconfig, package libusb.pc
+- fix printf format in linux.c so that libusb can be built with -Werror (default)
 
 * Mon Dec 19 2005 Tim Waugh <twaugh@redhat.com> 0.1.10a-3
 - Rebuild.