diff --git a/tests/impl.cpp b/tests/impl.cpp
index 0587ab0a..8cb3667c 100644
--- a/tests/impl.cpp
+++ b/tests/impl.cpp
@@ -7429,7 +7429,7 @@ result_t test_mm_alignr_pi8(const SSE2NEONTestImpl &impl, uint32_t iter)
 
     __m64 a = load_m64(_a);
     __m64 b = load_m64(_b);
-    __m64 ret = _mm_setzero_si64();
+    __m64 ret = _mm_set_pi32(0, 0);
     switch (iter % 3) {
     case 0:
         ret = _mm_alignr_pi8(a, b, 0);