diff --git a/virt-install-cloud.sh b/virt-install-cloud.sh
index 4005337..0f14e3a 100755
--- a/virt-install-cloud.sh
+++ b/virt-install-cloud.sh
@@ -160,8 +160,8 @@ xorriso -in_charset utf8 -outdev configuration.iso -volid cidata -joliet on -roc
 
 # keep a backup of the files for future reference
 if [[ "${BACKUP_ISO_FILES}" == "yes" ]]; then
-  cp ${WORKING_DIR}/output/user-data ${WORKING_DIR}/backups/${hostname}.${domain}.user-data
-  cp ${WORKING_DIR}/output/meta-data ${WORKING_DIR}/backups/${hostname}.${domain}.meta-data
+  cp -f ${WORKING_DIR}/output/user-data ${WORKING_DIR}/backups/${hostname}.${domain}.user-data
+  cp -f ${WORKING_DIR}/output/meta-data ${WORKING_DIR}/backups/${hostname}.${domain}.meta-data
   chmod 640 ${WORKING_DIR}/backups/${hostname}.${domain}.user-data ${WORKING_DIR}/backups/${hostname}.${domain}.meta-data
 fi
 # copy ISO into libvirt's directory