diff --git a/app/Http/Controllers/Chart/CategoryController.php b/app/Http/Controllers/Chart/CategoryController.php
index 1918245cb7..f87a00efa5 100644
--- a/app/Http/Controllers/Chart/CategoryController.php
+++ b/app/Http/Controllers/Chart/CategoryController.php
@@ -385,7 +385,7 @@ class CategoryController extends Controller
         $start = app('navigation')->startOfPeriod($date, $range);
         $end   = session()->get('end');
         if ($end < $start) {
-            $end = app('navigation')->endOfPeriod($date, $range);
+            [$end, $start] = [$start, $end];
         }
 
         $data = $this->makePeriodChart($category, $start, $end);
diff --git a/app/Http/Controllers/Transaction/SingleController.php b/app/Http/Controllers/Transaction/SingleController.php
index a445063a32..8a6c131c5e 100644
--- a/app/Http/Controllers/Transaction/SingleController.php
+++ b/app/Http/Controllers/Transaction/SingleController.php
@@ -186,7 +186,7 @@ class SingleController extends Controller
      * Show a special JSONified view of a transaction, for easier debug purposes.
      *
      * @param TransactionJournal $journal
-     *
+     * @codeCoverageIgnore
      * @return JsonResponse
      */
     public function debugShow(TransactionJournal $journal): JsonResponse