diff --git a/htdocs/adherents/class/adherent_type.class.php b/htdocs/adherents/class/adherent_type.class.php
index f5a5a8933d0..639f417bb94 100644
--- a/htdocs/adherents/class/adherent_type.class.php
+++ b/htdocs/adherents/class/adherent_type.class.php
@@ -688,6 +688,27 @@ class AdherentType extends CommonObject
 		//return $morphy;
 	}
 
+	/**
+	 * getTooltipContentArray
+	 * @param array $params params to construct tooltip data
+	 * @since v18
+	 * @return array
+	 */
+	public function getTooltipContentArray($params)
+	{
+		global $conf, $langs, $user;
+
+		$datas = [];
+
+		$datas['picto'] = img_picto('', $this->picto).' <u class="paddingrightonly">'.$langs->trans("MemberType").'</u> '.$this->getLibStatut(4);
+		$datas['label'] = '<br>'.$langs->trans("Label").': '.$this->label;
+		if (isset($this->subscription)) {
+			$datas['subscription'] = '<br>'.$langs->trans("SubscriptionRequired").': '.yn($this->subscription);
+		}
+
+		return $datas;
+	}
+
 	/**
 	 *  Return clicable name (with picto eventually)
 	 *
@@ -725,8 +746,16 @@ class AdherentType extends CommonObject
 				$url .= '&save_lastsearch_values=1';
 			}
 		}
-
-		$linkstart = '<a href="'.$url.'" title="'.dol_escape_htmltag($label, 1).'" class="classfortooltip">';
+		if (getDolGlobalInt('MAIN_ENABLE_AJAX_TOOLTIP')) {
+			$params = [
+				'id' => $this->id,
+				'objecttype' => $this->element,
+				'option' => $option,
+			];
+			$linkstart = '<a href="'.$url.'" data-params='.json_encode($params).' id="' . uniqid($this->element) . '" title="'.$langs->trans('Loading').'" class="classforajaxtooltip">';
+		} else {
+			$linkstart = '<a href="'.$url.'" title="'.dol_escape_htmltag($label, 1).'" class="classfortooltip">';
+		}
 		$linkend = '</a>';
 
 		$result .= $linkstart;
@@ -741,7 +770,6 @@ class AdherentType extends CommonObject
 		return $result;
 	}
 
-	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
 	/**
 	 *    Return label of status (activity, closed)
 	 *
@@ -753,6 +781,7 @@ class AdherentType extends CommonObject
 		return $this->LibStatut($this->status, $mode);
 	}
 
+	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
 	/**
 	 *  Return the label of a given status
 	 *
diff --git a/htdocs/core/ajax/ajaxtooltip.php b/htdocs/core/ajax/ajaxtooltip.php
index 516794896dc..e52d3cfd3d9 100644
--- a/htdocs/core/ajax/ajaxtooltip.php
+++ b/htdocs/core/ajax/ajaxtooltip.php
@@ -141,7 +141,6 @@ if ($objecttype == 'facture' || $objecttype == 'invoice') {
 // Generic case for $classfile and $classname
 $classfile = strtolower($myobject);
 $classname = ucfirst($myobject);
-// print "objecttype=".$objecttype." module=".$module." subelement=".$subelement." classfile=".$classfile." classname=".$classname." classpath=".$classpath."\n";
 
 if ($objecttype == 'invoice_supplier') {
 	$classfile = 'fournisseur.facture';
@@ -171,9 +170,17 @@ if ($objecttype == 'invoice_supplier') {
 	$classpath = 'comm/mailing/class';
 	$classfile = 'mailing';
 	$classname = 'Mailing';
+} elseif ($objecttype == 'adherent_type') {
+	$langs->load('members');
+	$classpath = 'adherents/class';
+	$classfile = 'adherent_type';
+	$module = 'adherent';
+	$myobject = 'adherent_type';
+	$classname = 'AdherentType';
 } elseif ($objecttype == 'contact') {
 	$module = 'societe';
 }
+// print "objecttype=".$objecttype." module=".$module." subelement=".$subelement." classfile=".$classfile." classname=".$classname." classpath=".$classpath."\n";
 
 if (isModEnabled($module)) {
 	$res = dol_include_once('/'.$classpath.'/'.$classfile.'.class.php');