diff --git a/lib/simd/Grid_avx.h b/lib/simd/Grid_avx.h
index 03faabee..05f2f1ab 100644
--- a/lib/simd/Grid_avx.h
+++ b/lib/simd/Grid_avx.h
@@ -442,7 +442,7 @@ namespace Optimization {
 #define _mm256_alignr_epi64(ret,a,b,n) ret=(__m256d) _mm256_alignr_epi8((__m256i)a,(__m256i)b,(n*8)%16)
 #endif
 
-#if defined (AVX1) 
+#if defined (AVX1) || defined (AVXFMA)
 
 #define _mm256_alignr_epi32(ret,a,b,n) {	\
     __m128 aa, bb;				\