diff --git a/src/tpm2/PowerPlat.c b/src/tpm2/PowerPlat.c
index 3144cedba..94e89454a 100644
--- a/src/tpm2/PowerPlat.c
+++ b/src/tpm2/PowerPlat.c
@@ -122,7 +122,9 @@ _plat__Signal_PowerOff(
 {
     // Prepare NV memory for power off
     _plat__NVDisable((void*)FALSE, 0);
+#if ACT_SUPPORT
     // Disable tick ACT tick processing
     _plat__ACT_EnableTicks(FALSE);
+#endif    // Disable tick ACT tick processing
     return;
 }