diff --git a/src/dynarmic/tests/native/testenv.h b/src/dynarmic/tests/native/testenv.h
index e7de208aff..7a3d14eea0 100644
--- a/src/dynarmic/tests/native/testenv.h
+++ b/src/dynarmic/tests/native/testenv.h
@@ -7,18 +7,18 @@
 template<typename F>
 void CheckedRun(F&& fn) {
 #ifdef __AVX__
-    __m256 xmm0 = _mm256_set_epi32(0, 0, 0, 0, 0, 0, 0, 0);
-    __m256 xmm1 = _mm256_set_epi32(1, 1, 0, 0, 0, 0, 0, 1);
-    __m256 xmm2 = _mm256_set_epi32(2, 2, 0, 0, 0, 0, 0, 2);
-    __m256 xmm3 = _mm256_set_epi32(3, 3, 0, 0, 0, 0, 0, 3);
-    __m256 xmm4 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 4);
-    __m256 xmm5 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 5);
-    __m256 xmm6 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 6);
-    __m256 xmm7 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 7);
-    __m256 xmm8 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 8);
-    __m256 xmm9 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 9);
-    __m256 xmm10 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 10);
-    __m256 xmm11 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 11);
+    __m256i xmm0 = _mm256_set_epi32(0, 0, 0, 0, 0, 0, 0, 0);
+    __m256i xmm1 = _mm256_set_epi32(1, 1, 0, 0, 0, 0, 0, 1);
+    __m256i xmm2 = _mm256_set_epi32(2, 2, 0, 0, 0, 0, 0, 2);
+    __m256i xmm3 = _mm256_set_epi32(3, 3, 0, 0, 0, 0, 0, 3);
+    __m256i xmm4 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 4);
+    __m256i xmm5 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 5);
+    __m256i xmm6 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 6);
+    __m256i xmm7 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 7);
+    __m256i xmm8 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 8);
+    __m256i xmm9 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 9);
+    __m256i xmm10 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 10);
+    __m256i xmm11 = _mm256_set_epi32(4, 4, 0, 0, 0, 0, 0, 11);
     asm volatile(""
         : "+x"(xmm0), "+x"(xmm1), "+x"(xmm2), "+x"(xmm3)
         , "+x"(xmm4), "+x"(xmm5), "+x"(xmm6), "+x"(xmm7)
@@ -32,18 +32,18 @@ void CheckedRun(F&& fn) {
         , "+x"(xmm8), "+x"(xmm9), "+x"(xmm10), "+x"(xmm11)
         :
     );
-    CHECK(std::bit_cast<std::uint32_t>(xmm0[0]) == 0);
-    CHECK(std::bit_cast<std::uint32_t>(xmm1[0]) == 1);
-    CHECK(std::bit_cast<std::uint32_t>(xmm2[0]) == 2);
-    CHECK(std::bit_cast<std::uint32_t>(xmm3[0]) == 3);
-    CHECK(std::bit_cast<std::uint32_t>(xmm4[0]) == 4);
-    CHECK(std::bit_cast<std::uint32_t>(xmm5[0]) == 5);
-    CHECK(std::bit_cast<std::uint32_t>(xmm6[0]) == 6);
-    CHECK(std::bit_cast<std::uint32_t>(xmm7[0]) == 7);
-    CHECK(std::bit_cast<std::uint32_t>(xmm8[0]) == 8);
-    CHECK(std::bit_cast<std::uint32_t>(xmm9[0]) == 9);
-    CHECK(std::bit_cast<std::uint32_t>(xmm10[0]) == 10);
-    CHECK(std::bit_cast<std::uint32_t>(xmm11[0]) == 11);
+    CHECK(std::bit_cast<std::uint64_t>(xmm0[0]) == 0);
+    CHECK(std::bit_cast<std::uint64_t>(xmm1[0]) == 1);
+    CHECK(std::bit_cast<std::uint64_t>(xmm2[0]) == 2);
+    CHECK(std::bit_cast<std::uint64_t>(xmm3[0]) == 3);
+    CHECK(std::bit_cast<std::uint64_t>(xmm4[0]) == 4);
+    CHECK(std::bit_cast<std::uint64_t>(xmm5[0]) == 5);
+    CHECK(std::bit_cast<std::uint64_t>(xmm6[0]) == 6);
+    CHECK(std::bit_cast<std::uint64_t>(xmm7[0]) == 7);
+    CHECK(std::bit_cast<std::uint64_t>(xmm8[0]) == 8);
+    CHECK(std::bit_cast<std::uint64_t>(xmm9[0]) == 9);
+    CHECK(std::bit_cast<std::uint64_t>(xmm10[0]) == 10);
+    CHECK(std::bit_cast<std::uint64_t>(xmm11[0]) == 11);
 #else
     fn();
 #endif