diff --git a/plat/arm/board/tc0/platform.mk b/plat/arm/board/tc0/platform.mk
index 6cc5f46..393d09c 100644
--- a/plat/arm/board/tc0/platform.mk
+++ b/plat/arm/board/tc0/platform.mk
@@ -43,7 +43,8 @@
 
 PLAT_INCLUDES		+=	-I${TC0_BASE}/include/
 
-TC0_CPU_SOURCES	:=	lib/cpus/aarch64/cortex_matterhorn.S
+TC0_CPU_SOURCES	:=	lib/cpus/aarch64/cortex_klein.S         \
+			lib/cpus/aarch64/cortex_matterhorn.S
 
 INTERCONNECT_SOURCES	:=	${TC0_BASE}/tc0_interconnect.c