diff --git a/scripts/download_ubuntu.sh b/scripts/download_ubuntu.sh
index 9c5d5fe..15173b7 100755
--- a/scripts/download_ubuntu.sh
+++ b/scripts/download_ubuntu.sh
@@ -27,7 +27,9 @@ for DISTRO in artful ${LTS}; do
 done
 
 # Link the LTS distribution name to lts
-unlink ${TFTP_DIRECTORY}/installer/ubuntu/lts
+if [ -L "${TFTP_DIRECTORY}/installer/ubuntu/lts" ]; then
+	unlink ${TFTP_DIRECTORY}/installer/ubuntu/lts
+fi
 ln -s ${LTS} ${TFTP_DIRECTORY}/installer/ubuntu/lts
 
 exit 0