diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index e9eebaa..45b5077 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -130,7 +130,7 @@
 void arm_io_setup(void);
 
 /* Security utility functions */
-void arm_tzc_setup(void);
+void arm_tzc400_setup(void);
 
 /* Systimer utility function */
 void arm_configure_sys_timer(void);