diff --git a/arch/risc-v/src/litex/litex_irq_dispatch.c b/arch/risc-v/src/litex/litex_irq_dispatch.c
index 90950eecc3d..0f2d3d72b4e 100644
--- a/arch/risc-v/src/litex/litex_irq_dispatch.c
+++ b/arch/risc-v/src/litex/litex_irq_dispatch.c
@@ -47,7 +47,7 @@
  * riscv_dispatch_irq
  ****************************************************************************/
 
-void *riscv_dispatch_irq(uintptr_t vector, uintptr_t *regs)
+void *riscv_dispatch_irq(uintptr_t vector, uintreg_t *regs)
 {
 #ifdef CONFIG_LITEX_CORE_VEXRISCV_SMP
   int irq = (vector & 0x3f);