diff --git a/main/inc/lib/fckeditor/myconfig_afm.js b/main/inc/lib/fckeditor/myconfig_afm.js
index 863bc56c26..c3ab266ce9 100644
--- a/main/inc/lib/fckeditor/myconfig_afm.js
+++ b/main/inc/lib/fckeditor/myconfig_afm.js
@@ -104,6 +104,7 @@ FCKConfig.Plugins.Add('flvPlayer','en') ;
 FCKConfig.Plugins.Add('fckEmbedMovies');
 
 // added by Juan Carlos Raņa
+FCKConfig.Plugins.Add("mimetex", "en", sOtherPluginPath ) ;
 FCKConfig.Plugins.Add("wikilink", "en,es", sOtherPluginPath ) ; // support to english, spanish
 FCKConfig.Plugins.Add("imgmap", "en,es", sOtherPluginPath );
 FCKConfig.Plugins.Add("googlemaps", "en,es", sOtherPluginPath ) ;