diff --git a/qemu/target/arm/translate-a64.c b/qemu/target/arm/translate-a64.c
index d54a78ac..97ad7405 100644
--- a/qemu/target/arm/translate-a64.c
+++ b/qemu/target/arm/translate-a64.c
@@ -12417,7 +12417,7 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn)
                 gen_helper_advsimd_acgt_f16(tcg_ctx, tcg_res, tcg_op1, tcg_op2, fpst);
                 break;
             default:
-                fprintf(stderr, "%s: insn %#04x, fpop %#2x @ %#" PRIx64 "\n",
+                fprintf(stderr, "%s: insn 0x%04x, fpop 0x%2x @ 0x%" PRIx64 "\n",
                         __func__, insn, fpopcode, s->pc_curr);
                 g_assert_not_reached();
             }
@@ -13431,7 +13431,7 @@ static void disas_simd_two_reg_misc_fp16(DisasContext *s, uint32_t insn)
     case 0x7f: /* FSQRT (vector) */
         break;
     default:
-        fprintf(stderr, "%s: insn %#04x fpop %#2x\n", __func__, insn, fpop);
+        fprintf(stderr, "%s: insn 0x%04x fpop 0x%2x\n", __func__, insn, fpop);
         g_assert_not_reached();
     }