diff --git a/buildroot/share/git/mfconfig b/buildroot/share/git/mfconfig
old mode 100755
new mode 100644
index b379317d98..8060fedc98
--- a/buildroot/share/git/mfconfig
+++ b/buildroot/share/git/mfconfig
@@ -87,8 +87,7 @@ if [[ $ACTION == "init" ]]; then
   # Strip all #error lines
   IFS=$'\n'; set -f
   for fn in $( find $TEMP/config -type f -name "Configuration.h" ); do
-    $SED -i~ -e "20,30{/#error/d}" "$fn"
-    rm "$fn~"
+    $SED -i "20,30{/#error/d}" $fn
   done
   unset IFS; set +f