diff --git a/scripts/iosch.sh b/scripts/iosch.sh
index 2274be6..a3c88e9 100755
--- a/scripts/iosch.sh
+++ b/scripts/iosch.sh
@@ -1,4 +1,4 @@
-if [ 'whoami' != root ]
+if [ $(id -u) -ne 0 ]
 then
 	echo "must be run as root"
 	exit
diff --git a/scripts/kernel-stat.sh b/scripts/kernel-stat.sh
old mode 100644
new mode 100755