diff --git a/RADIO.md b/RADIO.md
index 7d455961..ff8066ae 100644
--- a/RADIO.md
+++ b/RADIO.md
@@ -520,8 +520,8 @@
 | SER Henares | [mp3](https://playerservices.streamtheworld.com/api/livestream-redirect/SER_HENARES.mp3) | [web](https://play.cadenaser.com/emisora/ser_henares/) | [logo](https://graph.facebook.com/cadenaser/picture?width=200&height=200) | - | - |
 | SER Madrid | [mp3](https://playerservices.streamtheworld.com/api/livestream-redirect/SER_MADRID.mp3) | [web](https://play.cadenaser.com/emisora/radio_madrid/) | [logo](https://graph.facebook.com/cadenaser/picture?width=200&height=200) | - | - |
 | SER Madrid Norte | [mp3](https://playerservices.streamtheworld.com/api/livestream-redirect/SER_ASO_MADRID_NORTE.mp3) | [web](https://play.cadenaser.com/emisora/ser_madrid_norte/) | [logo](https://graph.facebook.com/cadenaser/picture?width=200&height=200) | - | - |
-| SER Madrid Oeste | [mp3](https://playerservices.streamtheworld.com/api/livestream-redirect/SER_ASO_MADRID_OESTE.mp3) | [web](https://play.cadenaser.com/emisora/ser_madrid_oeste/) | [logo](https://graph.facebook.com/cadenaser/picture?width=200&height=200) | - | - |
-| SER Madrid Sierra | [mp3](http://217.126.244.152:7000/;stream.mp3) | [web](https://play.cadenaser.com/emisora/ser_madrid_sierra/) | [logo](https://graph.facebook.com/cadenaser/picture?width=200&height=200) | - | - |
+| SER Madrid Oeste | [mp3](https://playerservices.streamtheworld.com/api/livestream-redirect/SER_MADRID_OESTE.mp3) | [web](https://play.cadenaser.com/emisora/ser_madrid_oeste/) | [logo](https://graph.facebook.com/cadenaser/picture?width=200&height=200) | - | - |
+| SER Madrid Sierra | [mp3](https://playerservices.streamtheworld.com/api/livestream-redirect/SER_ASO_MADSIERRA.mp3) | [web](https://play.cadenaser.com/emisora/ser_madrid_sierra/) | [logo](https://graph.facebook.com/cadenaser/picture?width=200&height=200) | - | - |
 | SER Madrid Sur | [mp3](https://playerservices.streamtheworld.com/api/livestream-redirect/SER_ASO_MADRID_SUR.mp3) | [web](https://play.cadenaser.com/emisora/ser_madrid_sur/) | [logo](https://graph.facebook.com/cadenaser/picture?width=200&height=200) | - | - |
 | COPE Madrid | [mp3](https://flucast-m05-04.flumotion.com/cope/madrid.mp3) | [web](https://www.cope.es/directos/madrid) | [logo](https://graph.facebook.com/COPE/picture?width=200&height=200) | - | - |
 | COPE Madrid Más | [mp3](https://flucast-b03-04.flumotion.com/cope/net4.mp3) | [web](https://www.cope.es/directos/madrid-cope-mas) | [logo](https://graph.facebook.com/COPE/picture?width=200&height=200) | - | - |