diff --git a/src/avx512-16bit-qsort.hpp b/src/avx512-16bit-qsort.hpp
index 1ed829b..e05027d 100644
--- a/src/avx512-16bit-qsort.hpp
+++ b/src/avx512-16bit-qsort.hpp
@@ -175,7 +175,8 @@ struct zmm_vector<float16> {
     }
     static reg_t reverse(reg_t zmm)
     {
-        const auto rev_index = _mm512_set_epi16(NETWORK_REVERSE_32LANES);
+        constexpr static uint16_t arr[] = {NETWORK_REVERSE_32LANES};
+        const auto rev_index = _mm512_loadu_si512(arr);
         return permutexvar(rev_index, zmm);
     }
     static reg_t sort_vec(reg_t x)
@@ -320,7 +321,8 @@ struct zmm_vector<int16_t> {
     }
     static reg_t reverse(reg_t zmm)
     {
-        const auto rev_index = _mm512_set_epi16(NETWORK_REVERSE_32LANES);
+        constexpr static uint16_t arr[] = {NETWORK_REVERSE_32LANES};
+        const auto rev_index = _mm512_loadu_si512(arr);
         return permutexvar(rev_index, zmm);
     }
     static reg_t sort_vec(reg_t x)
@@ -462,7 +464,8 @@ struct zmm_vector<uint16_t> {
     }
     static reg_t reverse(reg_t zmm)
     {
-        const auto rev_index = _mm512_set_epi16(NETWORK_REVERSE_32LANES);
+        constexpr static uint16_t arr[] = {NETWORK_REVERSE_32LANES};
+        const auto rev_index = _mm512_loadu_si512(arr);
         return permutexvar(rev_index, zmm);
     }
     static reg_t sort_vec(reg_t x)
diff --git a/src/avx512fp16-16bit-qsort.hpp b/src/avx512fp16-16bit-qsort.hpp
index f93cf68..8f85e59 100644
--- a/src/avx512fp16-16bit-qsort.hpp
+++ b/src/avx512fp16-16bit-qsort.hpp
@@ -139,7 +139,8 @@ struct zmm_vector<_Float16> {
     }
     static reg_t reverse(reg_t zmm)
     {
-        const auto rev_index = _mm512_set_epi16(NETWORK_REVERSE_32LANES);
+        constexpr static uint16_t arr[] = {NETWORK_REVERSE_32LANES};
+        const auto rev_index = _mm512_loadu_si512(arr);
         return permutexvar(rev_index, zmm);
     }
     static reg_t sort_vec(reg_t x)
diff --git a/src/xss-common-includes.h b/src/xss-common-includes.h
index 27d6c36..7408571 100644
--- a/src/xss-common-includes.h
+++ b/src/xss-common-includes.h
@@ -79,8 +79,8 @@
 #define NETWORK_REVERSE_16LANES \
     0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
 #define NETWORK_REVERSE_32LANES \
-    0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, \
-            21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
+    31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, \
+            13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
 
 #if defined(XSS_USE_OPENMP) && defined(_OPENMP)
 #define XSS_COMPILE_OPENMP