diff --git a/xymon/tar.client.logfiles.sh b/xymon/tar.client.logfiles.sh
index a0f30a7..6a46841 100755
--- a/xymon/tar.client.logfiles.sh
+++ b/xymon/tar.client.logfiles.sh
@@ -37,7 +37,13 @@ tar_file_name="${date_year}.${current_dir}${xz_compression_lvl}.tar.xz"
 
 # }}}
 
-[ "${debug}" -eq "0" ] && printf "${c_magentab}%-6b${c_reset}\n" "Create an archive for ${current_dir} files between ${date_start} and ${date_end} using XZ's compression level : ${xz_compression_lvl}."
+# If archive already exists
+if [ -s "${tar_file_name}" ]; then
+	printf "${c_redb}%-6b${c_reset}\n" "${tar_file_name} already exists. Please manage this directory manually or remove the archive and restart."
+	exit 1
+else
+	[ "${debug}" -eq "0" ] && printf "${c_magentab}%-6b${c_reset}\n" "Create an archive for ${current_dir} files between ${date_start} and ${date_end} using XZ's compression level : ${xz_compression_lvl}."
+fi
 
 ## Get the list of files between the 2 dates and ignore tar files
 find . -type f -newermt "${date_start}" -not -newermt "${date_end}" -not -iname "*.tar*" -print0 | tar cJf "${tar_file_name}" --null -T -