diff --git a/github/check.nextcloud.update b/github/check.nextcloud.update
index b1b1199..1b3e197 100755
--- a/github/check.nextcloud.update
+++ b/github/check.nextcloud.update
@@ -114,10 +114,14 @@ rm --force -- "${nc_new_version_list}"
 rm --force -- "${nc_app_new_version_file}" ; touch -- "${nc_app_new_version_file}"
 printf '%s' "${nc_app_upgrade}" >> "${nc_app_new_version_file}"
 
-## If the file exists with a size bigger than 0
-if [ -s "${nc_app_new_version_file}" ]; then
+## If the file contains a part of the message if ane upgrade is available
+## Example of message if at least one upgrade :
+## files_antivirus new version available: 5.5.3
+if grep --quiet -- "new version available" "${nc_app_new_version_file}"; then
 	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Apps test — Upgrade seems to be available for apps. Please check ${nc_app_new_version_file}."
 else
+	## Example of message if NO upgrade:
+	## All apps are up-to-date or no updates could be found
 	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Apps test — All apps seems up-to-date."
 	rm --force -- "${nc_app_new_version_file}"
 fi