diff --git a/nodewords.module b/nodewords.module
index 4cf678b..7d15cae 100644
--- a/nodewords.module
+++ b/nodewords.module
@@ -192,6 +192,7 @@ function nodewords_form_node_type_form_alter(&$form, &$form_state) {
       $options = array();

       if (function_exists($function)) {
+        $options['parameters'] = isset($info['callback arguments']) ? $info['callback arguments'] : array();
         $function($form, 'node_type_form', $options);
       }
     }
@@ -523,6 +524,7 @@ function nodewords_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
           );

           if ($bool) {
+            $tag_options['parameters'] = isset($info['callback arguments']) ? $info['callback arguments'] : array();
             $function(
               $output_tags,
               isset($node->nodewords[$name]) ? $node->nodewords[$name] : array(),
@@ -557,7 +559,7 @@ function nodewords_preprocess_page(&$variables) {
    if (defined('MAINTENANCE_MODE')) {
      return;
    }
-
+
   $options = _nodewords_detect_type_and_id();
   $output_tags = array();

@@ -575,6 +577,7 @@ function nodewords_preprocess_page(&$variables) {
       );

       if ($bool) {
+        $options['parameters'] = isset($info['callback arguments']) ? $info['callback arguments'] : array();
         $function($output_tags, array(), $options);
       }
     }
@@ -596,6 +599,7 @@ function nodewords_preprocess_page(&$variables) {
     // Prepare the tags.
     foreach (nodewords_get_possible_tags() as $name => $info) {
       if (function_exists($function = $info['callback'] . '_prepare')) {
+        $options['parameters'] = isset($info['callback arguments']) ? $info['callback arguments'] : array();
         $function($output_tags, isset($tags[$name]) ? $tags[$name] : array(), $options);
       }
     }
@@ -819,6 +823,7 @@ function nodewords_form($type, $tags, $options = array()) {

       if ($bool) {
         if (function_exists($function = $info['callback'] . '_form')) {
+          $tag_options['parameters'] = isset($info['callback arguments']) ? $info['callback arguments'] : array();
           $function($form, isset($tags[$name]) ? $tags[$name] : array(), $tag_options);
         }
       }
@@ -1442,7 +1447,7 @@ function _nodewords_output_tags($tags, $output_type = 'head') {
       isset($tags_info[$name]['templates']['head'][$name]) &&
       $tags_info[$name]['templates']['head'][$name] == NODEWORDS_META_PROPERTY
     );
-    $parts = $is_property ? array($name, $name) : explode(':', $name);
+    $parts = $is_property ? array($name, $name) : explode(':', $name);

     // Ensure that the previous assigned output template was cleared.
     $template = NULL;