diff --git a/library/config.php b/library/config.php
index ad7a0fc8c..bd8d31e2c 100644
--- a/library/config.php
+++ b/library/config.php
@@ -439,9 +439,6 @@ $bb_cfg['super_admins'] = [
     2 => 'admin',
 ];
 
-// Date format
-$bb_cfg['date_format'] = 'Y-m-d';
-
 // Subforums
 $bb_cfg['sf_on_first_page_only'] = true;
 
diff --git a/library/defines.php b/library/defines.php
index d29f6afd0..7aad1b192 100644
--- a/library/defines.php
+++ b/library/defines.php
@@ -81,6 +81,7 @@ define('LOG_MAX_SIZE', 1048576); // bytes
 ini_set('error_reporting', E_ALL);
 ini_set('display_errors', 0);
 ini_set('display_startup_errors', 0);
+define('MYSQLI_ERROR_REPORTING', MYSQLI_REPORT_ALL ^ MYSQLI_REPORT_STRICT);
 ini_set('log_errors', 1);
 ini_set('error_log', LOG_DIR . '/php_errors.log'); // path to log file enabled only if log_errors == 1 (native)
 define('WHOOPS_LOG_FILE', LOG_DIR . '/php_whoops.log'); // log file enabled only if log_errors == 1 (whoops)
diff --git a/src/Legacy/SqlDb.php b/src/Legacy/SqlDb.php
index 280778ccb..f43eec2da 100644
--- a/src/Legacy/SqlDb.php
+++ b/src/Legacy/SqlDb.php
@@ -77,6 +77,8 @@ class SqlDb
      */
     public function init()
     {
+        mysqli_report(MYSQLI_ERROR_REPORTING);
+
         // Connect to server
         $this->connect();
 
diff --git a/viewtopic.php b/viewtopic.php
index 4eac73369..afcf5e266 100644
--- a/viewtopic.php
+++ b/viewtopic.php
@@ -572,7 +572,7 @@ for ($i = 0; $i < $total_posts; $i++) {
     $max_post_time = max($max_post_time, $postrow[$i]['post_time']);
     $poster_posts = ($poster_id != GUEST_UID) ? $postrow[$i]['user_posts'] : '';
     $poster_from = ($postrow[$i]['user_from'] && $poster_id != GUEST_UID) ? $postrow[$i]['user_from'] : '';
-    $poster_joined = ($poster_id != GUEST_UID) ? $lang['JOINED'] . ': ' . bb_date($postrow[$i]['user_regdate'], $bb_cfg['date_format']) : '';
+    $poster_joined = ($poster_id != GUEST_UID) ? $lang['JOINED'] . ': ' . bb_date($postrow[$i]['user_regdate'], 'Y-m-d H:i', false) : '';
     $poster_longevity = ($poster_id != GUEST_UID) ? delta_time($postrow[$i]['user_regdate']) : '';
     $post_id = $postrow[$i]['post_id'];
     $mc_type = $postrow[$i]['mc_type'];