diff --git a/build.sh b/build.sh
index c8f39409..a66753eb 100755
--- a/build.sh
+++ b/build.sh
@@ -54,6 +54,9 @@ case ${TARGET} in
 	OS=linux
 	export HOST_CFLAGS="-fcommon"
 	EXTRA_CFLAGS+=" -fcommon"
+	if [[ ${TARGET} =~ "aarch64-*" ]] ; then
+	    EXTRA_CFLAGS="-mno-outline-atomics"
+	fi
 	;;
 *-netbsd*)
 	OS=netbsd
@@ -69,9 +72,6 @@ case ${TARGET} in
 	export HOST_CFLAGS="-Wno-error-implicit-function-declaration"
 	EXTRA_AFLAGS="-mmacosx-version-min=10.7.0"
 	;;
-aarch64-linux*)
-	EXTRA_CFLAGS="-mno-outline-atomics"
-	;;
 *)
 	OS=unknown
 esac