diff --git a/experiments/powertop2tuned.py b/experiments/powertop2tuned.py
index 046ba68..c859068 100755
--- a/experiments/powertop2tuned.py
+++ b/experiments/powertop2tuned.py
@@ -168,7 +168,7 @@ class PowertopProfile:
 		return "unknown"
 
 	def checkPrivs(self):
-		myuid = os.getuid()
+		myuid = os.geteuid()
 		if myuid != 0:
 			print >> sys.stderr, 'Run this program as root'
 			return False
diff --git a/tuned.py b/tuned.py
index a8a4a99..5fbd2db 100755
--- a/tuned.py
+++ b/tuned.py
@@ -64,7 +64,7 @@ if __name__ == "__main__":
 	if (debug):
 		log.setLevel("DEBUG")
 
-	if os.getuid() != 0:
+	if os.geteuid() != 0:
 		if daemonize:
 			log.critical("Superuser permissions are needed.")
 			sys.exit(1)