diff --git a/shrinktheweb.module b/shrinktheweb.module
index fdc1635..313e4d7 100755
--- a/shrinktheweb.module
+++ b/shrinktheweb.module
@@ -285,32 +285,32 @@ function theme_shrinktheweb_image_link($variables) {
 function shrinktheweb_field_formatter_info() {
   return array(
     // -- Link module ----------------------------
-    'link_default' => array(
+    'stw_link_default' => array(
       'label' => t('[ShrinkTheWeb] Title, as link'),
       'field types' => array('link_field'),
       'multiple values' => FIELD_BEHAVIOR_DEFAULT,
     ),
-    'link_url' => array(
+    'stw_link_url' => array(
       'label' => t('[ShrinkTheWeb] URL, as link'),
       'field types' => array('link_field'),
       'multiple values' => FIELD_BEHAVIOR_DEFAULT,
     ),
-    'link_plain' => array(
+    'stw_link_plain' => array(
       'label' => t('[ShrinkTheWeb] URL, as plain text'),
       'field types' => array('link_field'),
       'multiple values' => FIELD_BEHAVIOR_DEFAULT,
     ),
-    'link_short' => array(
+    'stw_link_short' => array(
       'label' => t('[ShrinkTheWeb] Short, as link with title "Link"'),
       'field types' => array('link_field'),
       'multiple values' => FIELD_BEHAVIOR_DEFAULT,
     ),
-    'link_label' => array(
+    'stw_link_label' => array(
       'label' => t('[ShrinkTheWeb] Label, as link with label as title'),
       'field types' => array('link_field'),
       'multiple values' => FIELD_BEHAVIOR_DEFAULT,
     ),
-    'link_separate' => array(
+    'stw_link_separate' => array(
       'label' => t('[ShrinkTheWeb] Separate title and URL'),
       'field types' => array('link_field'),
       'multiple values' => FIELD_BEHAVIOR_DEFAULT,