diff --git a/TestScripts/governor.sh b/TestScripts/governor.sh
index 982e1b89..a1f571d0 100755
--- a/TestScripts/governor.sh
+++ b/TestScripts/governor.sh
@@ -12,6 +12,11 @@ if [[ -z "$BASH_SOURCE" ]]; then
 	BASH_SOURCE="$0"
 fi
 
+if [[ "$EUID" -ne 0 ]]; then
+    echo "This script must be run as root"
+    [[ "$0" = "$BASH_SOURCE" ]] && exit 1 || return 1
+fi
+
 if [ "x$1" = "x" ]; then
     echo "usage: $0 on[demand]|pe[rformance]|po[wersave]|us[erspace]?"
     [[ "$0" = "$BASH_SOURCE" ]] && exit 1 || return 1