diff --git a/Makefile.x86_64 b/Makefile.x86_64
index 365ccdcfd..418e78e60 100644
--- a/Makefile.x86_64
+++ b/Makefile.x86_64
@@ -20,10 +20,12 @@ ifdef HAVE_SSE4_1
 CCOMMON_OPT += -msse4.1
 FCOMMON_OPT += -msse4.1
 endif
+ifndef NO_FMA
 ifdef HAVE_AVX
 CCOMMON_OPT += -mavx
 FCOMMON_OPT += -mavx
 endif
+endif
 ifndef NO_AVX2
 ifdef HAVE_AVX2
 CCOMMON_OPT += -mavx2