diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 00de879787..3073c54871 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -5038,7 +5038,7 @@ GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_w, uint32_t, H4)
 GEN_VEXT_VSLIDEDOWN_VX(vslidedown_vx_d, uint64_t, H8)
 
 #define GEN_VEXT_VSLIE1UP(BITWIDTH, H)                                      \
-static void vslide1up_##BITWIDTH(void *vd, void *v0, target_ulong s1,       \
+static void vslide1up_##BITWIDTH(void *vd, void *v0, uint64_t s1,           \
                      void *vs2, CPURISCVState *env, uint32_t desc)          \
 {                                                                           \
     typedef uint##BITWIDTH##_t ETYPE;                                       \
@@ -5086,7 +5086,7 @@ GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_w, 32)
 GEN_VEXT_VSLIDE1UP_VX(vslide1up_vx_d, 64)
 
 #define GEN_VEXT_VSLIDE1DOWN(BITWIDTH, H)                                     \
-static void vslide1down_##BITWIDTH(void *vd, void *v0, target_ulong s1,       \
+static void vslide1down_##BITWIDTH(void *vd, void *v0, uint64_t s1,           \
                        void *vs2, CPURISCVState *env, uint32_t desc)          \
 {                                                                             \
     typedef uint##BITWIDTH##_t ETYPE;                                         \