diff --git a/arch/arm/cpu/armv7m/Makefile b/arch/arm/cpu/armv7m/Makefile
index aff60e8..e1a6c40 100644
--- a/arch/arm/cpu/armv7m/Makefile
+++ b/arch/arm/cpu/armv7m/Makefile
@@ -7,3 +7,5 @@
 
 extra-y := start.o
 obj-y += cpu.o
+
+obj-$(CONFIG_SYS_ARCH_TIMER) += systick-timer.o