diff --git a/core/displayablegraph.class.inc.php b/core/displayablegraph.class.inc.php
index 5b815db65..c2bda18ec 100644
--- a/core/displayablegraph.class.inc.php
+++ b/core/displayablegraph.class.inc.php
@@ -793,9 +793,8 @@ class DisplayableGroupNode extends DisplayableNode
 	
 	public function GetTooltip($aContextDefs)
 	{
-		$sHtml = '';
 		$iGroupIdx = $this->GetProperty('group_index');
-		$sHtml .= '<a href="#" onclick="$(\'.itop-simple-graph\').simple_graph(\'show_group\', \'relation_group_'.$iGroupIdx.'\');">'.Dict::Format('UI:RelationGroupNumber_N', (1+$iGroupIdx))."</a>";
+		$sHtml = '<a href="#" id="a_'.$iGroupIdx.'" onclick="$(this).closest(\'.tippy-box\').parent().hide();$(\'.itop-simple-graph\').simple_graph(\'show_group\', \'relation_group_'.$iGroupIdx.'\');return false;">'.Dict::Format('UI:RelationGroupNumber_N', (1+$iGroupIdx))."</a>";
 		$sHtml .= '<hr/>';
 		$sHtml .= '<table><tbody><tr>';
 		$sHtml .= '<td style="vertical-align:top;padding-right: 0.5em;"><img class="ibo-class-icon ibo-is-small" src="'.$this->GetProperty('icon_url').'"></td><td style="vertical-align:top">'.MetaModel::GetName($this->GetObjectClass()).'<br/>';
diff --git a/pages/ajax.render.php b/pages/ajax.render.php
index c5976a16f..0ecdaffea 100644
--- a/pages/ajax.render.php
+++ b/pages/ajax.render.php
@@ -1971,7 +1971,7 @@ EOF
 				$oSearch = new DBObjectSearch($sListClass);
 				$oSearch->AddCondition('id', $aDefinition['keys'], 'IN');
 				$oSearch->SetShowObsoleteData(utils::ShowObsoleteData());
-				$oPage->AddUiBlock(TitleUIBlockFactory::MakeNeutral(Dict::Format('UI:RelationGroupNumber_N', (1 + $idx))));
+				$oPage->AddUiBlock(TitleUIBlockFactory::MakeNeutral(Dict::Format('UI:RelationGroupNumber_N', (1 + $idx)),1,"relation_group_$idx"));
 				$oBlock = new DisplayBlock($oSearch, 'list');
 				$oBlock->Display($oPage, 'group_'.$iBlock++, array('surround_with_panel' => true,
 				                                                    'panel_class' => $sListClass,