diff --git a/htdocs/install/upgrade2.php b/htdocs/install/upgrade2.php
index 0830888bb94..5883c494205 100644
--- a/htdocs/install/upgrade2.php
+++ b/htdocs/install/upgrade2.php
@@ -589,6 +589,8 @@ if (!GETPOST('action', 'aZ09') || preg_match('/upgrade/i', GETPOST('action', 'aZ
 			$afterversionarray = explode('.', '21.0.9');
 			$beforeversionarray = explode('.', '22.0.9');
 			if (versioncompare($versiontoarray, $afterversionarray) >= 0 && versioncompare($versiontoarray, $beforeversionarray) <= 0) {
+				dol_syslog("Run migrate_... versionto is between ".json_encode($afterversionarray)." and ".json_encode($beforeversionarray));
+
 				migrate_accountingbookkeeping($entity);
 			}
 		}