diff --git a/Installation de PCL.md b/Installation de PCL.md
index 5866c16..7231f7a 100644
--- a/Installation de PCL.md	
+++ b/Installation de PCL.md	
@@ -14,7 +14,8 @@ sudo apt-get install libpcl-all
 ```
 #!sh
 
-sudo add-apt-repository ppa:v-launchpad-jochen-sprickerhof-de/pcl
+sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-key 19274DEF
+sudo echo "deb http://ppa.launchpad.net/v-launchpad-jochen-sprickerhof-de/pcl/ubuntu maverick main" >> /etc/apt/sources.list
 sudo apt-get update
 sudo apt-get install libpcl-all
 ```