diff --git a/lib/Headers/xmmintrin.h b/lib/Headers/xmmintrin.h
index e270602..efb74e4 100644
--- a/lib/Headers/xmmintrin.h
+++ b/lib/Headers/xmmintrin.h
@@ -895,7 +895,7 @@
   (row0) = _mm_movelh_ps(tmp0, tmp2); \
   (row1) = _mm_movehl_ps(tmp2, tmp0); \
   (row2) = _mm_movelh_ps(tmp1, tmp3); \
-  (row3) = _mm_movelh_ps(tmp3, tmp1); \
+  (row3) = _mm_movehl_ps(tmp3, tmp1); \
 } while (0)
 
 /* Ugly hack for backwards-compatibility (compatible with gcc) */