diff --git a/travis/guess_simd.sh b/travis/guess_simd.sh
index adb6a3f679..36c7686283 100755
--- a/travis/guess_simd.sh
+++ b/travis/guess_simd.sh
@@ -1,11 +1,14 @@
 #!/usr/bin/env bash
 UNAME_S=$(uname -s)
+arch=`uname -m`
 if [[ ${UNAME_S} == Linux ]]; then
     CPU_FLAGS=$(cat /proc/cpuinfo | grep flags |tail -n 1)
     CPU_FLAGS_2=$(cat /proc/cpuinfo | grep flags |tail -n 1)
 elif [[ ${UNAME_S} == Darwin ]]; then
     CPU_FLAGS=$(/usr/sbin/sysctl -n machdep.cpu.features)
-    CPU_FLAGS_2=$(/usr/sbin/sysctl -n machdep.cpu.leaf7_features)
+    if [[ "$arch" == "x86_64" ]]; then
+	CPU_FLAGS_2=$(/usr/sbin/sysctl -n machdep.cpu.leaf7_features)
+    fi
 fi
 if [[ $(echo ${CPU_FLAGS}   | tr  'A-Z' 'a-z'| awk ' /avx512f/{print "Y"}') == "Y" ]]; then
     echo "avx512"
@@ -19,6 +22,9 @@ elif [[ $(echo ${CPU_FLAGS}   | tr  'A-Z' 'a-z'| awk ' /avx/    {print "Y"}') ==
 elif [[ $(echo ${CPU_FLAGS}   | tr  'A-Z' 'a-z'| awk ' /sse2/   {print "Y"}') == "Y" ]]; then
     echo "sse2"
     exit 0
+elif [[ $arch == "arm64" || $arch == "aarch64" ]]; then
+    echo "arm64"
+    exit 0
 else
     echo "unknown"
 fi