diff --git a/hw/intc/loongarch_ipi.c b/hw/intc/loongarch_ipi.c
index aa4bf9e..bdba0f8 100644
--- a/hw/intc/loongarch_ipi.c
+++ b/hw/intc/loongarch_ipi.c
@@ -50,7 +50,7 @@
     return ret;
 }
 
-static void send_ipi_data(CPULoongArchState *env, target_ulong val, target_ulong addr)
+static void send_ipi_data(CPULoongArchState *env, uint64_t val, hwaddr addr)
 {
     int i, mask = 0, data = 0;