diff --git a/lib/db/mysql.php b/lib/db/mysql.php
index bf1c5ac9629..b5cb9775564 100644
--- a/lib/db/mysql.php
+++ b/lib/db/mysql.php
@@ -707,6 +707,7 @@ function main_upgrade($oldversion=0) {
     if ($oldversion < 2004022200) {     /// Final renaming I hope.  :-)
         if (!empty($CFG->textfilters)) {
             $CFG->textfilters = str_replace("/filter.php", "", $CFG->textfilters);
+            $CFG->textfilters = str_replace("mod/glossary/dynalink.php", "mod/glossary", $CFG->textfilters);
             $textfilters = explode(',', $CFG->textfilters);
             foreach ($textfilters as $key => $textfilter) {
                 $textfilters[$key] = trim($textfilter);
diff --git a/lib/db/postgres7.php b/lib/db/postgres7.php
index 17f63775f3f..30969d17383 100644
--- a/lib/db/postgres7.php
+++ b/lib/db/postgres7.php
@@ -452,6 +452,7 @@ function main_upgrade($oldversion=0) {
     if ($oldversion < 2004022200) {     /// Final renaming I hope.  :-)
         if (!empty($CFG->textfilters)) {
             $CFG->textfilters = str_replace("/filter.php", "", $CFG->textfilters);
+            $CFG->textfilters = str_replace("mod/glossary/dynalink.php", "mod/glossary", $CFG->textfilters);
             $textfilters = explode(',', $CFG->textfilters);
             foreach ($textfilters as $key => $textfilter) {
                 $textfilters[$key] = trim($textfilter);