diff --git a/scripts/setup.sh b/scripts/setup.sh
index a2319ec71..4d2346424 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -509,7 +509,7 @@ function configure_linux() {
 		fi
 	fi
 
-	if [ ! -f /dev/cpu/0/msr ]; then
+	if [ ! -e /dev/cpu/0/msr ]; then
 		# Some distros build msr as a module.  Make sure it's loaded to ensure
 		#  DPDK can easily figure out the TSC rate rather than relying on 100ms
 		#  sleeps.