diff --git a/ConflictSet.cpp b/ConflictSet.cpp
index 5572dd3..2ee75c9 100644
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -2135,7 +2135,8 @@ inline uint8x16_t conflictMask16(const InternalVersionT *vs,
   int32x2_t r32[8];
   const auto *vsp = reinterpret_cast<const int64_t *>(vs);
   for (int j = 0; j < 8; ++j) {
-    r32[j] = vmovn_s64(vcgtq_s64(vld1q_s64(vsp + 2 * j), rvVec));
+    r32[j] = vmovn_s64(
+        vreinterpretq_s64_u64(vcgtq_s64(vld1q_s64(vsp + 2 * j), rvVec)));
   }
   uint32x4_t w4[4];
   for (int k = 0; k < 4; ++k) {