diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index cf4d018b7d668fc442aab4e08ad6f98d7aca972f..eecfacac2cc51dc8c5f18f7da2b976fd76ad4641 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -522,6 +522,7 @@ static uintptr_t __init best_map_size(phys_addr_t base, phys_addr_t size)
 }
 
 #ifdef CONFIG_XIP_KERNEL
+#define phys_ram_base  (*(phys_addr_t *)XIP_FIXUP(&phys_ram_base))
 extern char _xiprom[], _exiprom[], __data_loc;
 
 /* called from head.S with MMU off */