diff --git a/arch/riscv/lib/cache.c b/arch/riscv/lib/cache.c
index c46b49e..afad7e1 100644
--- a/arch/riscv/lib/cache.c
+++ b/arch/riscv/lib/cache.c
@@ -19,7 +19,7 @@
 {
 }
 
-void invalidate_icache_range(unsigned long start, unsigned long end)
+__weak void invalidate_icache_range(unsigned long start, unsigned long end)
 {
 	/*
 	 * RISC-V does not have an instruction for invalidating parts of the