diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index b2c7bd2..66efe45 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -125,7 +125,7 @@
 void arm_system_pwr_domain_save(void);
 void arm_system_pwr_domain_resume(void);
 void arm_program_trusted_mailbox(uintptr_t address);
-int arm_psci_read_mem_protect(int *val);
+int arm_psci_read_mem_protect(int *enabled);
 int arm_nor_psci_write_mem_protect(int val);
 void arm_nor_psci_do_mem_protect(void);
 int arm_psci_mem_protect_chk(uintptr_t base, u_register_t length);