diff --git a/application/views/experiments/new.php b/application/views/experiments/new.php
index 397c5a5..9b3f0ba 100644
--- a/application/views/experiments/new.php
+++ b/application/views/experiments/new.php
@@ -104,11 +104,20 @@
 <?php
 		if ($param['type'] == 'boolean'):
 ?>
-									<?=form_boolean('param-'.$param['id'], (!empty($_POST['param-'.$param['id']]) ? $_POST('param-'.$param['id']) : (isset($copy_params[$i]['value'])) ? $copy_params[$i]['value'] : $param['default_value']), 'class="drop"')?>
+									<?=form_boolean('param-'.$param['id'], (!empty($_POST['param-'.$param['id']]) ? $_POST('param-'.$param['id']) : (!is_null($copy_params) && isset($copy_params[$i]['value'])) ? $copy_params[$i]['value'] : $param['default_value']), 'class="drop"')?>
 <?php
 		else:
+			if(!empty($_POST['param-' . $param['id']])) {
+				$value = $this->input->post('param-' . $param['id']);
+			} else {
+				if(isset($copy_params) && isset($copy_params[$i]['value'])) {
+					$value = $copy_params[$i]['value'];
+				} else {
+					$value = $param['default_value'];
+				}
+			}
 ?>
-		<input tabindex="<?=$i+4;?>" type="text" name="param-<?=$param['id'];?>" class="long text" value="<?=(!empty($_POST['param-' . $param['id']]) ? $this->input->post('param-' . $param['id']) : (isset($copy_params[$i]['value'])) ? $copy_params[$i]['value'] : $param['default_value']);?>" />
+		<input tabindex="<?=$i+4;?>" type="text" name="param-<?=$param['id'];?>" class="long text" value="<?=$value;?>" />
 <?php
 		endif;
 		if (!empty($param['description'])):