diff --git a/raspberry_arch-install.sh b/raspberry_arch-install.sh
index d00cf2b..53abed1 100755
--- a/raspberry_arch-install.sh
+++ b/raspberry_arch-install.sh
@@ -72,6 +72,9 @@ fi
 bsdtar -xpf ArchLinuxARM-rpi-aarch64-latest.tar.gz -C root
 sync
 
+# Before unmounting the partitions, update /etc/fstab for the different SD block device compared to the Raspberry Pi 3
+sed -i 's/mmcblk0/mmcblk1/g' root/etc/fstab
+
 echo "Move boot files to the first partition..."
 
 sleep 5