diff --git a/htdocs/core/modules/modKnowledgeManagement.class.php b/htdocs/core/modules/modKnowledgeManagement.class.php
index cce60d613e8..4441350aaea 100644
--- a/htdocs/core/modules/modKnowledgeManagement.class.php
+++ b/htdocs/core/modules/modKnowledgeManagement.class.php
@@ -291,7 +291,7 @@ class modKnowledgeManagement extends DolibarrModules
 			'fk_menu'=>'', // '' if this is a top menu. For left menu, use 'fk_mainmenu=xxx' or 'fk_mainmenu=xxx,fk_leftmenu=yyy' where xxx is mainmenucode and yyy is a leftmenucode
 			'type'=>'top', // This is a Top menu entry
 			'titre'=>'ModuleKnowledgeManagementName',
-			'prefix' => img_picto('', 'mrp', 'class="paddingright pictofixedwidth"'),
+			'prefix' => img_picto('knowledgemanagement', 'knowledgemanagement', 'class="paddingright pictofixedwidth"'),
 			'mainmenu'=>'knowledgemanagement',
 			'leftmenu'=>'',
 			'url'=>'/knowledgemanagement/knowledgerecord_list.php',