diff --git a/libguestfs.spec b/libguestfs.spec
index 4804ecd..48074db 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -42,7 +42,7 @@ Summary:       Access and modify virtual machine disk images
 Name:          libguestfs
 Epoch:         1
 Version:       1.0.88
-Release:       4%{?dist}
+Release:       5%{?dist}
 License:       LGPLv2+
 Group:         Development/Libraries
 URL:           http://libguestfs.org/
@@ -459,11 +459,12 @@ export LIBGUESTFS_DEBUG=1
 # Workaround #563103
 cat > rhbz563103.c <<'EOF'
 #include <stdlib.h>
+#include <unistd.h>
 #include <errno.h>
-static void init () __attribute__((constructor));
-static void init () { write (2, "Enable workaround for incorrect preadv/pwritev emulation in glibc (RHBZ#563103)\n", 80); }
 ssize_t preadv (int fd,...) { errno = ENOSYS; return -1; }
+ssize_t preadv64 (int fd,...) { errno = ENOSYS; return -1; }
 ssize_t pwritev (int fd,...) { errno = ENOSYS; return -1; }
+ssize_t pwritev64 (int fd,...) { errno = ENOSYS; return -1; }
 EOF
 gcc -fPIC -c rhbz563103.c
 gcc -shared -Wl,-soname,rhbz563103.so.1 rhbz563103.o -o rhbz563103.so
@@ -679,7 +680,7 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
-* Tue Mar 30 2010 Richard W.M. Jones <rjones@redhat.com> - 1:1.0.88-4
+* Tue Mar 30 2010 Richard W.M. Jones <rjones@redhat.com> - 1:1.0.88-5
 - Attempted workaround for RHBZ#563103, so we can reenable tests.
 
 * Fri Mar 26 2010 Richard W.M. Jones <rjones@redhat.com> - 1:1.0.88-2