diff --git a/src/initscripts/system/smt b/src/initscripts/system/smt
index f85f567fa..f83776c1a 100644
--- a/src/initscripts/system/smt
+++ b/src/initscripts/system/smt
@@ -23,7 +23,7 @@ case "${1}" in
 		# Disable SMT when the processor is vulnerable to Foreshadow or Fallout/ZombieLoad/RIDL
 		for vuln in l1tf mds; do
 			if [ -r "/sys/devices/system/cpu/vulnerabilities/${vuln}" ] && \
-					[ "$(</sys/devices/system/cpu/vulnerabilities/${vuln})" != "Not affected" ]; then
+					[[ "$(</sys/devices/system/cpu/vulnerabilities/${vuln})" =~ "SMT vulnerable" ]]; then
 				# Disable SMT
 				boot_mesg "Disabling Simultaneous Multi-Threading (SMT)..."
 				echo "forceoff" > /sys/devices/system/cpu/smt/control