diff --git a/index.php b/index.php
index a9e4f84..fcbc9dc 100644
--- a/index.php
+++ b/index.php
@@ -634,11 +634,10 @@ function newsletterData(array $config, bool $testMode = false): array
     [$start, $end, $periodLabel, $periodKey] = newsletterPeriod($config['period_mode']);
     $allArticles = fetchLatestArticles($config['wiki_url'], (int)$config['article_fetch_limit']);
 
+    // Testversand nutzt denselben Zeitraum wie der Liveversand.
+    $articles = filterArticlesForPeriod($allArticles, $start, $end, (int)$config['article_limit']);
     if ($testMode) {
-        $articles = array_slice($allArticles, 0, (int)$config['article_limit']);
         $periodKey = 'test-' . date('Y-m-d-H-i-s');
-    } else {
-        $articles = filterArticlesForPeriod($allArticles, $start, $end, (int)$config['article_limit']);
     }
 
     return [$articles, $periodLabel, $periodKey];
diff --git a/wiki.php b/wiki.php
index 2b6b2a9..a54eecc 100644
--- a/wiki.php
+++ b/wiki.php
@@ -635,12 +635,10 @@ function newsletterData(array $config, bool $testMode = false): array
     [$start, $end, $periodLabel, $periodKey] = newsletterPeriod($config['period_mode']);
     $allArticles = fetchLatestArticles($config['wiki_url'], (int)$config['article_fetch_limit']);
 
+    // Testversand nutzt denselben Zeitraum wie der Liveversand.
+    $articles = filterArticlesForPeriod($allArticles, $start, $end, (int)$config['article_limit']);
     if ($testMode) {
-        $articles = array_slice($allArticles, 0, (int)$config['article_limit']);
-        $periodLabel = 'aktuelle Übersicht';
         $periodKey = 'test-' . date('Y-m-d-H-i-s');
-    } else {
-        $articles = filterArticlesForPeriod($allArticles, $start, $end, (int)$config['article_limit']);
     }
 
     return [$articles, $periodLabel, $periodKey];