diff --git a/Fieldtypes/CheckBox.php b/Fieldtypes/CheckBox.php
index c1c731d..0176872 100644
--- a/Fieldtypes/CheckBox.php
+++ b/Fieldtypes/CheckBox.php
@@ -42,15 +42,16 @@ protected function render_additional_settings() {
     }
 
     public static function register() {
-        $types = array(
-            'ccbox' => array(__('CC: option for user', 'cforms2'), true),
-            'checkbox' => array(__('Check Box', 'cforms2'), false)
-        );
-        foreach ($types as $id => $label) {
-            $t = new CheckBox($id, $label[0], $label[1]);
-            $t->register_at_filter();
-        }
-
+  		add_action('init', function() {
+            $types = array(
+                'ccbox' => array(__('CC: option for user', 'cforms2'), true),
+                'checkbox' => array(__('Check Box', 'cforms2'), false)
+            );
+            foreach ($types as $id => $label) {
+                $t = new CheckBox($id, $label[0], $label[1]);
+                $t->register_at_filter();
+            }
+        });
     }
 
 }
diff --git a/Fieldtypes/CheckBoxGroup.php b/Fieldtypes/CheckBoxGroup.php
index c877f16..70fdca4 100644
--- a/Fieldtypes/CheckBoxGroup.php
+++ b/Fieldtypes/CheckBoxGroup.php
@@ -51,15 +51,16 @@ protected function render_additional_settings() {
     }
 
     public static function register() {
-        $types = array(
-            'checkboxgroup' => __('Check Box Group', 'cforms2'),
-            'radiobuttons' => __('Radio Buttons', 'cforms2')
-        );
-        foreach ($types as $id => $label) {
-            $t = new CheckBoxGroup($id, $label);
-            $t->register_at_filter();
-        }
-
+     	add_action('init', function() {
+            $types = array(
+                'checkboxgroup' => __('Check Box Group', 'cforms2'),
+                'radiobuttons' => __('Radio Buttons', 'cforms2')
+            );
+            foreach ($types as $id => $label) {
+                $t = new CheckBoxGroup($id, $label);
+                $t->register_at_filter();
+            }
+        });
     }
 
 }
diff --git a/Fieldtypes/Html5.php b/Fieldtypes/Html5.php
index 1332b1e..d9dafdb 100644
--- a/Fieldtypes/Html5.php
+++ b/Fieldtypes/Html5.php
@@ -74,25 +74,26 @@ protected function render_additional_settings() {
     }
 
     public static function register() {
-        $types = array(
-            'html5color' => 'HTML5 ' . __('Color Field', 'cforms2'),
-            'html5date' => 'HTML5 ' . __('Date Field', 'cforms2'),
-            'html5datetime-local' => 'HTML5 ' . __('Date/Time (local) Field', 'cforms2'),
-            'html5email' => 'HTML5 ' . __('Email Field', 'cforms2'),
-            'html5month' => 'HTML5 ' . __('Month Field', 'cforms2'),
-            'html5number' => 'HTML5 ' . __('Number Field', 'cforms2'),
-            'html5range' => 'HTML5 ' . __('Range Field', 'cforms2'),
-            'html5search' => 'HTML5 ' . __('Search Field', 'cforms2'),
-            'html5time' => 'HTML5 ' . __('Time Field', 'cforms2'),
-            'html5url' => 'HTML5 ' . __('URL Field', 'cforms2'),
-            'html5week' => 'HTML5 ' . __('Week Field', 'cforms2'),
-            'html5tel' => 'HTML5 ' . __('Telephone Number Field', 'cforms2')
-        );
-        foreach ($types as $id => $label) {
-            $t = new Html5($id, $label);
-            $t->register_at_filter();
-        }
-
+        add_action('init', function() {
+            $types = array(
+                'html5color' => 'HTML5 ' . __('Color Field', 'cforms2'),
+                'html5date' => 'HTML5 ' . __('Date Field', 'cforms2'),
+                'html5datetime-local' => 'HTML5 ' . __('Date/Time (local) Field', 'cforms2'),
+                'html5email' => 'HTML5 ' . __('Email Field', 'cforms2'),
+                'html5month' => 'HTML5 ' . __('Month Field', 'cforms2'),
+                'html5number' => 'HTML5 ' . __('Number Field', 'cforms2'),
+                'html5range' => 'HTML5 ' . __('Range Field', 'cforms2'),
+                'html5search' => 'HTML5 ' . __('Search Field', 'cforms2'),
+                'html5time' => 'HTML5 ' . __('Time Field', 'cforms2'),
+                'html5url' => 'HTML5 ' . __('URL Field', 'cforms2'),
+                'html5week' => 'HTML5 ' . __('Week Field', 'cforms2'),
+                'html5tel' => 'HTML5 ' . __('Telephone Number Field', 'cforms2')
+            );
+            foreach ($types as $id => $label) {
+                $t = new Html5($id, $label);
+                $t->register_at_filter();
+            }
+        });
     }
 
 }
diff --git a/Fieldtypes/MultiId.php b/Fieldtypes/MultiId.php
index b928362..26de08c 100644
--- a/Fieldtypes/MultiId.php
+++ b/Fieldtypes/MultiId.php
@@ -46,9 +46,9 @@ public function is_special() {
     }
 
     public static function register() {
-        $t = new MultiId('fieldsetend', __('End Fieldset', 'cforms2'), false);
-        $t->register_at_filter();
-
+        add_action('init', function() {
+            $t = new MultiId('fieldsetend', __('End Fieldset', 'cforms2'), false);
+            $t->register_at_filter();    
+        });
     }
-
 }
diff --git a/Fieldtypes/SelectBox.php b/Fieldtypes/SelectBox.php
index 17cc596..d418b92 100644
--- a/Fieldtypes/SelectBox.php
+++ b/Fieldtypes/SelectBox.php
@@ -46,16 +46,17 @@ protected function render_additional_settings() {
     }
 
     public static function register() {
-        $types = array(
-            'emailtobox' => array(__('Multiple Recipients', 'cforms2'), true),
-            'selectbox' => array(__('Select Box', 'cforms2'), false),
-            'multiselectbox' => array(__('Multi Select Box', 'cforms2'), false)
-        );
-        foreach ($types as $id => $label) {
-            $t = new SelectBox($id, $label[0], $label[1]);
-            $t->register_at_filter();
-        }
-
+   		add_action('init', function() {
+            $types = array(
+                'emailtobox' => array(__('Multiple Recipients', 'cforms2'), true),
+                'selectbox' => array(__('Select Box', 'cforms2'), false),
+                'multiselectbox' => array(__('Multi Select Box', 'cforms2'), false)
+            );
+            foreach ($types as $id => $label) {
+                $t = new SelectBox($id, $label[0], $label[1]);
+                $t->register_at_filter();
+            }
+        });
     }
 
 }
diff --git a/Fieldtypes/Text.php b/Fieldtypes/Text.php
index b95db56..b428754 100644
--- a/Fieldtypes/Text.php
+++ b/Fieldtypes/Text.php
@@ -37,18 +37,19 @@ protected function get_text_inputs() {
     }
 
     public static function register() {
-        $types = array(
-            'textfield' => array(__('Single line of text', 'cforms2'), false),
-            'upload' => array(__('File Upload Box', 'cforms2'), false),
-            'textarea' => array(__('Multiple lines of text', 'cforms2'), false),
-            'pwfield' => array(__('Password Field', 'cforms2'), false),
-            'hidden' => array(__('Hidden Field', 'cforms2'), false)
-        );
-        foreach ($types as $id => $label) {
-            $t = new Text($id, $label[0], $label[1]);
-            $t->register_at_filter();
-        }
-
+  		add_action('init', function() {
+            $types = array(
+                'textfield' => array(__('Single line of text', 'cforms2'), false),
+                'upload' => array(__('File Upload Box', 'cforms2'), false),
+                'textarea' => array(__('Multiple lines of text', 'cforms2'), false),
+                'pwfield' => array(__('Password Field', 'cforms2'), false),
+                'hidden' => array(__('Hidden Field', 'cforms2'), false)
+            );
+            foreach ($types as $id => $label) {
+                $t = new Text($id, $label[0], $label[1]);
+                $t->register_at_filter();
+            }
+        });
     }
 
 }