diff --git a/install_obitools.sh b/install_obitools.sh
index 46f6920..d6e9e00 100755
--- a/install_obitools.sh
+++ b/install_obitools.sh
@@ -83,6 +83,10 @@ if [[ "$ARCH" == "x86_64" ]] ; then
     ARCH="amd64" 
 fi
 
+if [[ "$ARCH" == "aarch64" ]] ; then 
+    ARCH="arm64" 
+fi
+
 GOFILE=$(curl "$URL" \
             | grep 'class="download"' \
             | grep "\.tar\.gz" \