diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index 7edbd3d..9d3c5f6 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -150,6 +150,10 @@
 # Enable Activity Monitor Unit extensions by default
 ENABLE_AMU			:=	1
 
+ifeq (${ENABLE_AMU},1)
+BL31_SOURCES		+= lib/cpus/aarch64/cortex_a75_pubsub.c
+endif
+
 ifneq (${ENABLE_STACK_PROTECTOR},0)
 PLAT_BL_COMMON_SOURCES	+=	plat/arm/board/fvp/fvp_stack_protector.c
 endif