diff --git a/include/plat/arm/common/arm_def.h b/include/plat/arm/common/arm_def.h
index d02a4059a97d26cac0bb50b9a566fa49001ef169..cbac247fc8293c4fa5c4b042e733c6aea376b6f1 100644
--- a/include/plat/arm/common/arm_def.h
+++ b/include/plat/arm/common/arm_def.h
@@ -34,6 +34,7 @@
 #define ARM_PWR_LVL0		MPIDR_AFFLVL0
 #define ARM_PWR_LVL1		MPIDR_AFFLVL1
 #define ARM_PWR_LVL2		MPIDR_AFFLVL2
+#define ARM_PWR_LVL3		MPIDR_AFFLVL3
 
 /*
  *  Macros for local power states in ARM platforms encoded by State-ID field