diff --git a/main/document/showinframes.php b/main/document/showinframes.php
index a88fe5f54f..a62edd2eca 100755
--- a/main/document/showinframes.php
+++ b/main/document/showinframes.php
@@ -55,7 +55,7 @@
 */
 $language_file[] = 'document';
 require_once '../inc/global.inc.php';
-require_once '../glossary/glossary.class.php';
+require_once(api_get_path(LIBRARY_PATH).'glossary.lib.php');
 
 $language_file = 'document';
 require_once '../inc/global.inc.php';
diff --git a/main/glossary/glossary_ajax_request.php b/main/glossary/glossary_ajax_request.php
index 00e1406cc2..64c99c15a2 100755
--- a/main/glossary/glossary_ajax_request.php
+++ b/main/glossary/glossary_ajax_request.php
@@ -3,7 +3,8 @@
 
 // including the global dokeos file
 require_once '../inc/global.inc.php';
-require_once '../glossary/glossary.class.php';
+require_once(api_get_path(LIBRARY_PATH).'glossary.lib.php');
+
 /*
  * search a term and return description from a glossary
  */
diff --git a/main/glossary/index.php b/main/glossary/index.php
index 486760e767..0a614599c2 100755
--- a/main/glossary/index.php
+++ b/main/glossary/index.php
@@ -11,7 +11,7 @@ $language_file = array('glossary');
 
 // including the global dokeos file
 require_once '../inc/global.inc.php';
-require_once 'glossary.class.php';
+require_once(api_get_path(LIBRARY_PATH).'glossary.lib.php');
 
 // the section (tabs)
 $this_section=SECTION_COURSES;
diff --git a/main/glossary/glossary.class.php b/main/inc/lib/glossary.lib.php
similarity index 100%
rename from main/glossary/glossary.class.php
rename to main/inc/lib/glossary.lib.php