diff --git a/link.install b/link.install
index 7b1b4c7..653de4d 100644
--- a/link.install
+++ b/link.install
@@ -105,7 +105,7 @@ function link_update_6001() {
  */
 function link_update_6002() {
   $ret = array();
-  
+
   // Build a list of fields that need updating.
   $update_fields = array();
   foreach (content_types_install() as $type_name => $fields) {
@@ -116,7 +116,7 @@ function link_update_6002() {
       }
     }
   }
-  
+
   // Update each field's storage to match the current definition.
   foreach ($update_fields as $field) {
     $db_info = content_database_info($field);
@@ -130,9 +130,39 @@ function link_update_6002() {
       }
     }
   }
-  
+
   // Let CCK re-associate link fields with Link module and activate the fields.
   content_associate_fields('link');
-  
+
   return $ret;
-}
\ No newline at end of file
+}
+
+/**
+ * This update changes all url fields from type varchar(2048) to type text.
+ * See https://www.drupal.org/node/838902#comment-8915761 and following
+ */
+function link_update_6003() {
+  $ret = array();
+
+  // Load the CCK API.
+  module_load_include('crud.inc', 'content', 'includes/content');
+  // Build a list of fields that need updating.
+  $update_fields = array();
+  foreach (content_types_install() as $type_name => $fields) {
+    foreach ($fields as $field) {
+      if ($field['type'] == 'link') {
+        // We only process a given field once.
+        $update_fields[$field['field_name']] = $field;
+      }
+    }
+  }
+  // Update several fields at a time.
+  foreach ($update_fields as $field) {
+    content_field_instance_update($field, FALSE);
+  }
+  // Clear caches and rebuild menu.
+  content_clear_type_cache(TRUE);
+  menu_rebuild();
+
+  return $ret;
+}
diff --git a/link.module b/link.module
index d095392..b1b3f72 100644
--- a/link.module
+++ b/link.module
@@ -37,7 +37,7 @@ define('LINK_TARGET_USER', 'user');
 /**
  * Maximum URLs length.
  */
-define('LINK_URL_MAX_LENGTH', 255);
+define('LINK_URL_MAX_LENGTH', 2048);
 
 /**
  * Implementation of hook_field_info().
@@ -181,7 +181,7 @@ function link_field_settings($op, $field) {
 
     case 'database columns':
       return array(
-        'url' => array('type' => 'varchar', 'length' => LINK_URL_MAX_LENGTH, 'not null' => FALSE, 'sortable' => TRUE),
+        'url' => array('type' => 'text', 'size' => 'normal', 'not null' => FALSE),
         'title' => array('type' => 'varchar', 'length' => 255, 'not null' => FALSE, 'sortable' => TRUE),
         'attributes' => array('type' => 'text', 'size' => 'medium', 'not null' => FALSE),
       );