diff --git a/src/soc/intel/common/block/smm/smihandler.c b/src/soc/intel/common/block/smm/smihandler.c
index ab88a51118..270b1aa796 100644
--- a/src/soc/intel/common/block/smm/smihandler.c
+++ b/src/soc/intel/common/block/smm/smihandler.c
@@ -200,8 +200,8 @@ void smihandler_southbridge_sleep(
 		break;
 	case ACPI_S3:
 		printk(BIOS_DEBUG, "SMI#: Entering S3 (Suspend-To-RAM)\n");
-
-		gnvs->uior = uart_is_controller_initialized();
+		if (CONFIG(SOC_INTEL_COMMON_BLOCK_UART))
+			gnvs->uior = uart_is_controller_initialized();
 
 		/* Invalidate the cache before going to S3 */
 		wbinvd();