diff --git a/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c
index 59131b3..2b45ee8 100644
--- a/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c
+++ b/plat/nvidia/tegra/soc/t194/plat_psci_handlers.c
@@ -250,8 +250,8 @@
 
 int tegra_soc_pwr_domain_on(u_register_t mpidr)
 {
-	int target_cpu = mpidr & MPIDR_CPU_MASK;
-	int target_cluster = (mpidr & MPIDR_CLUSTER_MASK) >>
+	uint32_t target_cpu = mpidr & MPIDR_CPU_MASK;
+	uint32_t target_cluster = (mpidr & MPIDR_CLUSTER_MASK) >>
 			MPIDR_AFFINITY_BITS;
 
 	if (target_cluster > MPIDR_AFFLVL1) {