diff --git a/SubModules/postfix/CMSHook-conf.sh b/SubModules/postfix/CMSHook-conf.sh
index e444b23..9216964 100644
--- a/SubModules/postfix/CMSHook-conf.sh
+++ b/SubModules/postfix/CMSHook-conf.sh
@@ -11,7 +11,7 @@ fi
 
 
 curl --retry 7 --retry-delay 5 -s "$repo"/raw/"$branchtype"/"$branch"/SubModules/postfix/opendkim-init.sh -o ~/OpenDKIMInit-$sitename.sh
-sed -i -g -e 's/DOMAINname/'$domain'/g' -e 's/SITEName/'${sitename//_}'/g' ~/OpenDKIMInit-$sitename.sh
+sed -i -e 's/DOMAINname/'$domain'/g' -e 's/SITEName/'${sitename//_}'/g' ~/OpenDKIMInit-$sitename.sh
 
 cat << EOF > /etc/update-motd.d/51-opendkim-"${sitename//_}"
 #!/bin/sh