diff --git a/Dockerfiles/work/data/docker-entrypoint.d/400-mysqldump-secure.sh b/Dockerfiles/work/data/docker-entrypoint.d/400-mysqldump-secure.sh
index 64e5f8b..648142b 100755
--- a/Dockerfiles/work/data/docker-entrypoint.d/400-mysqldump-secure.sh
+++ b/Dockerfiles/work/data/docker-entrypoint.d/400-mysqldump-secure.sh
@@ -55,7 +55,7 @@ set_mds_settings() {
 	else
 		mds_pass_val="$( env_get "${mds_pass_var}" )"
 		log "info" "\$${mds_pass_var} set for mysqldump-secure. Changing to '******'" "${debug}"
-		run "sed -i'' 's/^password.*/password = ${mds_pass_val}/g' ${mds_cnf}" "${debug}"
+		run "perl -pi -e 's/^password.*/password = ${mds_pass_val}/g' ${mds_cnf}" "${debug}"
 	fi
 
 	# MySQL host