diff --git a/libraries/chart.lib.php b/libraries/chart.lib.php
index 94cccf581..a8e2577f7 100644
--- a/libraries/chart.lib.php
+++ b/libraries/chart.lib.php
@@ -88,16 +88,6 @@ function PMA_chart_results($data, &$chartSettings, &$chartErrors = array())
         $chartSettings['barType'] = 'stacked';
     }
 
-    // set default if image is continuous (one part)
-    if (empty($chartSettings['continuous'])) {
-        $chartSettings['continuous'] = 'off';
-    }
-
-    // set default font size if needed
-    if (empty($chartSettings['fontSize'])) {
-        $chartSettings['fontSize'] = 8;
-    }
-
     // default for legend
     $chartSettings['legend'] = false;
 
diff --git a/libraries/chart/pma_pchart_chart.php b/libraries/chart/pma_pchart_chart.php
index 8e85240ba..09276e267 100644
--- a/libraries/chart/pma_pchart_chart.php
+++ b/libraries/chart/pma_pchart_chart.php
@@ -35,6 +35,10 @@ abstract class PMA_pChart_Chart extends PMA_Chart
 
         $this->settings['labelHeight'] = 20;
 
+        $this->settings['fontSize'] = 8;
+
+        $this->settings['continuous'] = 'off';
+
         // as in CSS (top, right, bottom, left)
         $this->setAreaMargins(array(20, 20, 40, 60));
     }
diff --git a/tbl_chart.php b/tbl_chart.php
index ef2ff1d3e..b33c0c8bc 100644
--- a/tbl_chart.php
+++ b/tbl_chart.php
@@ -165,7 +165,7 @@ $url_params['reload'] = 1;
     <?php if ($chartSettings['type'] == 'radar') { ?>
     <tr><td colspan="2">
         <p>
-            <?php echo _('When drawing a radar chart all values are normalized to a range [0..10].'); ?>
+            <?php echo __('When drawing a radar chart all values are normalized to a range [0..10].'); ?>
         </p>
     </td></tr>
     <?php } ?>