diff --git a/js/db_tracking.js b/js/db_tracking.js
index b5a016ded5..16438966b8 100644
--- a/js/db_tracking.js
+++ b/js/db_tracking.js
@@ -15,6 +15,7 @@ AJAX.registerOnload('db_tracking.js', function () {
     $('#versions').tablesorter({
         sortList: [[1, 0]],
         headers: {
+            0: {sorter: false},
             2: {sorter: "integer"},
             6: {sorter: false},
             7: {sorter: false}
@@ -24,6 +25,7 @@ AJAX.registerOnload('db_tracking.js', function () {
     $('#noversions').tablesorter({
         sortList: [[1, 0]],
         headers: {
+            0: {sorter: false},
             2: {sorter: false}
         }
     });
diff --git a/js/tbl_tracking.js b/js/tbl_tracking.js
index a5893f9e21..32503bb593 100644
--- a/js/tbl_tracking.js
+++ b/js/tbl_tracking.js
@@ -14,6 +14,7 @@ AJAX.registerOnload('tbl_tracking.js', function () {
     $('#versions').tablesorter({
         sortList: [[1, 0]],
         headers: {
+            0: {sorter: false},
             1: {sorter: "integer"},
             5: {sorter: false},
             6: {sorter: false}