diff --git a/arch/risc-v/src/common/riscv_macros.S b/arch/risc-v/src/common/riscv_macros.S
index 78068b482ffb8..2a166571567cd 100644
--- a/arch/risc-v/src/common/riscv_macros.S
+++ b/arch/risc-v/src/common/riscv_macros.S
@@ -390,7 +390,9 @@
 .macro riscv_set_inital_sp base, size, hartid
   la      t0, \base
   li      t1, \size
+#ifdef CONFIG_SMP
   mul     t1, \hartid, t1
+#endif
   add     t0, t0, t1
 
   /* ensure the last XCPTCONTEXT_SIZE is reserved for non boot CPU */