diff --git a/ecoleA/proxy.sh b/ecoleA/proxy.sh
index 078ef16..4b727c8 100644
--- a/ecoleA/proxy.sh
+++ b/ecoleA/proxy.sh
@@ -1,4 +1,11 @@
 #!/bin/usr
+
+# Test du user ROOT
+if [ "$EUID" -ne 0 ]
+  then echo "Please run as root"
+  exit
+fi
+
 file_apt_proxy="/etc/apt/apt.conf.d/01proxy"
 file_http_proxy="/etc/profile.d/proxy.sh"