diff --git a/sdk_container/src/third_party/coreos-overlay/app-crypt/trousers/files/tcsd.service b/sdk_container/src/third_party/coreos-overlay/app-crypt/trousers/files/tcsd.service
index f1960f79f2..4eb1ec9dea 100644
--- a/sdk_container/src/third_party/coreos-overlay/app-crypt/trousers/files/tcsd.service
+++ b/sdk_container/src/third_party/coreos-overlay/app-crypt/trousers/files/tcsd.service
@@ -4,6 +4,7 @@ ConditionPathExists=/dev/tpm0
 
 [Service]
 User=tss
+ExecCondition=/bin/bash -c "/usr/bin/test $(cat /sys/class/tpm/*/tpm_version_major | grep -m 1 1 || echo 0) -eq 1"
 ExecStart=/usr/sbin/tcsd -f
 
 [Install]