diff --git a/target/riscv/insn_trans/trans_rvf.c.inc b/target/riscv/insn_trans/trans_rvf.c.inc
index 832f01db6f..138e317723 100644
--- a/target/riscv/insn_trans/trans_rvf.c.inc
+++ b/target/riscv/insn_trans/trans_rvf.c.inc
@@ -406,11 +406,7 @@ static bool trans_fmv_w_x(DisasContext *ctx, arg_fmv_w_x *a)
     TCGv t0 = tcg_temp_new();
     gen_get_gpr(t0, a->rs1);
 
-#if defined(TARGET_RISCV64)
-    tcg_gen_mov_i64(cpu_fpr[a->rd], t0);
-#else
-    tcg_gen_extu_i32_i64(cpu_fpr[a->rd], t0);
-#endif
+    tcg_gen_extu_tl_i64(cpu_fpr[a->rd], t0);
     gen_nanbox_s(cpu_fpr[a->rd], cpu_fpr[a->rd]);
 
     mark_fs_dirty(ctx);