diff --git a/plat/nvidia/tegra/include/drivers/smmu.h b/plat/nvidia/tegra/include/drivers/smmu.h
index 9582a67..1d04ef0 100644
--- a/plat/nvidia/tegra/include/drivers/smmu.h
+++ b/plat/nvidia/tegra/include/drivers/smmu.h
@@ -586,7 +586,7 @@
 /*******************************************************************************
  * SMMU Global Aux. Control Register
  ******************************************************************************/
-#define SMMU_CBn_ACTLR_CPRE_BIT			(1U << 1)
+#define SMMU_CBn_ACTLR_CPRE_BIT			(1UL << 1UL)
 
 /*******************************************************************************
  * SMMU configuration constants