diff --git a/bluez.spec b/bluez.spec
index 611e2af..95fa2fc 100644
--- a/bluez.spec
+++ b/bluez.spec
@@ -262,7 +262,7 @@ cp test/simple-agent %{buildroot}%{_bindir}/simple-agent
 rm %{buildroot}%{_sysconfdir}/udev/rules.d/*.rules
 install -p -m644 tools/hid2hci.rules -D %{buildroot}/lib/udev/rules.d/97-hid2hci.rules
 install -m644 %{SOURCE5} -D %{buildroot}%{_udevrulesdir}/97-bluetooth.rules
-sed -s,"/usr/bin/bluetoothd","%{_libexecdir}/bluetooth/bluetoothd",g %{buildroot}%{_udevrulesdir}/97-bluetooth.rules
+sed s,"/usr/bin/bluetoothd","%{_libexecdir}/bluetooth/bluetoothd",g -i %{buildroot}%{_udevrulesdir}/97-bluetooth.rules
 
 #install more config files
 install -m0644 profiles/network/network.conf %{buildroot}%{_sysconfdir}/bluetooth/