diff --git a/htdocs/admin/modulehelp.php b/htdocs/admin/modulehelp.php
index a3c7c3d5c08..4ef01ab29af 100644
--- a/htdocs/admin/modulehelp.php
+++ b/htdocs/admin/modulehelp.php
@@ -262,6 +262,11 @@ if ($ip) {
 	$text .= '<br><span class="opacitymedium">'.$langs->trans("LastActivationIP").':</span> ';
 	$text .= $ip;
 }
+$lastactivationversion = $tmp['lastactivationversion'];
+if ($lastactivationversion) {
+	$text .= '<br><span class="opacitymedium">'.$langs->trans("LastActivationVersion").':</span> ';
+	$text .= $lastactivationversion;
+}
 
 $moreinfo = $text;
 
diff --git a/htdocs/core/modules/DolibarrModules.class.php b/htdocs/core/modules/DolibarrModules.class.php
index 50171253938..9ecb73234de 100644
--- a/htdocs/core/modules/DolibarrModules.class.php
+++ b/htdocs/core/modules/DolibarrModules.class.php
@@ -957,7 +957,12 @@ class DolibarrModules // Can not be abstract, because we need to instantiate it
 				$tmp = json_decode($obj->note, true);
 			}
 			if ($obj) {
-				return array('authorid'=>$tmp['authorid'], 'ip'=>$tmp['ip'], 'lastactivationdate'=>$this->db->jdate($obj->tms));
+				return array(
+					'authorid' => $tmp['authorid'],
+					'ip' => $tmp['ip'],
+					'lastactivationdate' => $this->db->jdate($obj->tms),
+					'lastactivationversion' => (!empty($tmp['lastactivationversion']) ? $tmp['lastactivationversion'] : 'unknown'),
+				);
 			}
 		}
 
@@ -991,7 +996,13 @@ class DolibarrModules // Can not be abstract, because we need to instantiate it
 			$err++;
 		}
 
-		$note = json_encode(array('authorid'=>(is_object($user) ? $user->id : 0), 'ip'=>(empty($_SERVER['REMOTE_ADDR']) ? '' : $_SERVER['REMOTE_ADDR'])));
+		$note = json_encode(
+			array(
+				'authorid' => (is_object($user) ? $user->id : 0),
+				'ip' => (empty($_SERVER['REMOTE_ADDR']) ? '' : $_SERVER['REMOTE_ADDR']),
+				'lastactivationversion' => $this->version,
+			)
+		);
 
 		$sql = "INSERT INTO ".MAIN_DB_PREFIX."const (name, value, visible, entity, note) VALUES";
 		$sql .= " (".$this->db->encrypt($this->const_name);
diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 4601f2c15b9..5b936c49291 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -353,6 +353,7 @@ LastStableVersion=Latest stable version
 LastActivationDate=Latest activation date
 LastActivationAuthor=Latest activation author
 LastActivationIP=Latest activation IP
+LastActivationVersion=Latest activation version
 UpdateServerOffline=Update server offline
 WithCounter=Manage a counter
 GenericMaskCodes=You may enter any numbering mask. In this mask, the following tags can be used:<br><b>{000000}</b> corresponds to a number which will be incremented on each %s. Enter as many zeros as the desired length of the counter. The counter will be completed by zeros from the left in order to have as many zeros as the mask. <br><b>{000000+000}</b> same as the previous one but an offset corresponding to the number to the right of the + sign is applied starting on the first %s. <br><b>{000000@x}</b> same as the previous one but the counter is reset to zero when month x is reached (x between 1 and 12, or 0 to use the early months of fiscal year defined in your configuration, or 99 to reset to zero every month). If this option is used and x is 2 or higher, then the sequence {yy}{mm} or {yyyy}{mm} is also required. <br><b>{dd}</b> day (01 to 31).<br><b>{mm}</b> month (01 to 12).<br><b>{yy}</b>, <b>{yyyy}</b> or <b>{y}</b> year over 2, 4 or 1 numbers. <br>