diff --git a/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c b/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
index 5435ce6..1353b6a 100644
--- a/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
+++ b/plat/nvidia/tegra/soc/t186/drivers/mce/mce.c
@@ -382,7 +382,7 @@
 		break;
 
 	default:
-		ERROR("unknown MCE command (%lu)\n", cmd);
+		ERROR("unknown MCE command (%llu)\n", cmd);
 		ret = EINVAL;
 		break;
 	}