diff --git a/bin/v-install-unsigned-ssl b/bin/v-install-unsigned-ssl
index 85727c33e..6b0e7c4aa 100644
--- a/bin/v-install-unsigned-ssl
+++ b/bin/v-install-unsigned-ssl
@@ -5,11 +5,16 @@
 #
 # The function install unsigned SSL to domain
 
-
 #----------------------------------------------------------#
 #                    Variable&Function                     #
 #----------------------------------------------------------#
 
+whoami=$(whoami)
+if [ "$whoami" != "root" ]; then
+    echo "You must be root to execute this script"
+    exit 1
+fi
+
 # Argument definition
 if [ $# -lt 1 ]; then
     echo "usage: v-install-unsigned-ssl DOMAIN [RESTART]"