diff --git a/lib/hkStubs/Havok/Common/Base/Math/Vector/hkVector4f.inl b/lib/hkStubs/Havok/Common/Base/Math/Vector/hkVector4f.inl
index 4aee6887..41c5a1a1 100644
--- a/lib/hkStubs/Havok/Common/Base/Math/Vector/hkVector4f.inl
+++ b/lib/hkStubs/Havok/Common/Base/Math/Vector/hkVector4f.inl
@@ -349,7 +349,7 @@ inline void hkVector4f::setNeg(hkVector4fParameter a) {
     }
     case 3: {
         auto zw = vget_high_f32(a.v);
-        v = vnegq_f32(v);
+        v = vnegq_f32(a.v);
         v = vsetq_lane_f32(vget_lane_f32(zw, 1), v, 3);
         break;
     }