diff --git a/modules/storm/storminvoice/storminvoice.theme.inc b/modules/storm/storminvoice/storminvoice.theme.inc
index 896ee03..40349e6 100644
--- a/modules/storm/storminvoice/storminvoice.theme.inc
+++ b/modules/storm/storminvoice/storminvoice.theme.inc
@@ -859,22 +859,23 @@ function theme_storminvoice_report_html($node, $language) {
         'style' => 'text-align: right;',
       ),
     );
+    $rows_keys = array_keys($rows);
     if ($node->tax1) {
-      $rows[end(array_keys($rows))][] = array(
+      $rows[end($rows_keys)][] = array(
         'data' => sprintf('%.2f', $i->tax1),
         'style' => 'text-align: right;',
       );
     }
     if ($node->tax2) {
-      $rows[end(array_keys($rows))][] = array(
+      $rows[end($rows_keys)][] = array(
         'data' => sprintf('%.2f', $i->tax2),
         'style' => 'text-align: right;',
       );
     }
-      $rows[end(array_keys($rows))][] = array(
-        'data' => sprintf('%.2f', $i->total),
-        'style' => 'text-align: right;',
-      );
+    $rows[end($rows_keys)][] = array(
+      'data' => sprintf('%.2f', $i->total),
+      'style' => 'text-align: right;',
+    );
   }
 
   $total = t('Total', array(), $language);
@@ -890,23 +891,23 @@ function theme_storminvoice_report_html($node, $language) {
       'style' => 'text-align: right;',
     ),
   );
-
+  $rows_keys = array_keys($rows);
   if ($node->tax1) {
-    $rows[end(array_keys($rows))][] = array(
+    $rows[end($rows_keys)][] = array(
       'data' => sprintf('%.2f', $node->tax1),
       'style' => 'text-align: right;',
     );
   }
   if ($node->tax2) {
-    $rows[end(array_keys($rows))][] = array(
+    $rows[end($rows_keys)][] = array(
       'data' => sprintf('%.2f', $node->tax2),
       'style' => 'text-align: right;',
     );
   }
-    $rows[end(array_keys($rows))][] = array(
-      'data' => sprintf('%.2f', $node->total),
-      'style' => 'text-align: right;',
-    );
+  $rows[end($rows_keys)][] = array(
+    'data' => sprintf('%.2f', $node->total),
+    'style' => 'text-align: right;',
+  );
 
   $o .= '<div id="storminvoice_items">'. theme('table', $header, $rows) .'</div>';