diff --git a/tv/gen_dns_mouton.sh b/tv/gen_dns_mouton.sh
index 839509b0..4bd5d4be 100755
--- a/tv/gen_dns_mouton.sh
+++ b/tv/gen_dns_mouton.sh
@@ -48,7 +48,7 @@ $(date +%s) ; numero de serie
 EOF
 
 sed -r 's/(fra|eng|ger|ara|rom|rad|rus|ned|ita|vo|x-ero|autres|sport|TNT[0-9]{2}) //g' \
-      $SAP_TXT | sed 's/\ //g' | tr A-Z a-z \
+      $SAP_TXT | sed 's/[ _]//g' | tr A-Z a-z \
       | awk -F ':' '{split($2,ip,"."); print ip[4]"."ip[3]"."ip[2] "\tIN\tPTR\t" $1 ".tv.crans.org."}' >> $DB_239
 
 /etc/init.d/bind9 reload