diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 096a854aed..b83d09dbcd 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -7054,6 +7054,7 @@ static void disas_simd_zip_trn(DisasContext *s, uint32_t insn)
     tcg_temp_free_i64(tcg_resl);
     write_vec_element(s, tcg_resh, rd, 1, MO_64);
     tcg_temp_free_i64(tcg_resh);
+    clear_vec_high(s, true, rd);
 }
 
 /*