diff --git a/etc/base b/etc/base
index 4abc8af..7d6091f 100644
--- a/etc/base
+++ b/etc/base
@@ -17,7 +17,7 @@ sed -i "s/Europe\/Madrid/${TIMEZONE//\//\\/}/" /etc/rc.conf
 sed -i "/HARDWARECLOCK/s/^#//g" /etc/rc.conf
 sed -i "/FONT=/s/^#//g" /etc/rc.conf
 
-if ! grep -q musl <<< $(uname -a); then
+if ! grep -q musl <<< $(ldd /bin/ls); then
 	echo "LANG=en_US.UTF-8" > /etc/locale.conf
 	echo "en_US.UTF-8 UTF-8" >> /etc/default/libc-locales
 	if ! [ "${LANGUAGE_}" == "en" ]; then
diff --git a/main.sh b/main.sh
index fba2e42..d24807b 100755
--- a/main.sh
+++ b/main.sh
@@ -279,7 +279,7 @@ do_install() {
 		echo "ignorepkg=${i}" >> "${target}/etc/xbps.d/10-ignore-pkg.conf"
 	done
 
-	if grep -q musl <<< $(uname -a); then
+	if grep -q musl <<< $(ldd /bin/ls); then
 	        export XBPS_ARCH="x86_64-musl"
 	else
         	export XBPS_ARCH="x86_64"