diff --git a/arch/riscv/cpu/th1520/Makefile b/arch/riscv/cpu/th1520/Makefile
index 5d806c06e2e..d971ea7390d 100644
--- a/arch/riscv/cpu/th1520/Makefile
+++ b/arch/riscv/cpu/th1520/Makefile
@@ -5,4 +5,4 @@
 obj-y += cache.o
 obj-y += cpu.o
 obj-y += dram.o
-obj-y += spl.o
+obj-$(CONFIG_SPL_BUILD) += spl.o