diff --git a/boinc-client.changes b/boinc-client.changes
index 275ca4e..9cfb783 100644
--- a/boinc-client.changes
+++ b/boinc-client.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Feb  8 22:39:34 UTC 2012 - chris@computersalat.de
+
+- fix replacing old sysconfig file
+
 -------------------------------------------------------------------
 Mon Feb  6 15:05:05 UTC 2012 - chris@computersalat.de
 
diff --git a/boinc-client.spec b/boinc-client.spec
index fc362f5..23f67d1 100644
--- a/boinc-client.spec
+++ b/boinc-client.spec
@@ -323,6 +323,11 @@ popd
 # add user
 %{_sbindir}/useradd -c "BOINC Client" -d "%{_localstatedir}/lib/boinc" \
   -g boinc -r -s /bin/bash boinc 2>/dev/null || :
+if [ -f %{_sysconfdir}/sysconfig/%{name} ]; then
+  if [ "$(grep "BOINC_BOINC_USR" /etc/sysconfig/boinc-client | grep -v grep >/dev/null; echo $?)" == 1 ]; then
+    mv -f %{_sysconfdir}/sysconfig/%{name} %{_sysconfdir}/sysconfig/%{name}.save
+  fi
+fi
 
 %preun
 %stop_on_removal %{name}