diff --git a/src/structure/components/com_sportsmanager/admin.php b/src/structure/components/com_sportsmanager/admin.php
index 704be08..46ed292 100644
--- a/src/structure/components/com_sportsmanager/admin.php
+++ b/src/structure/components/com_sportsmanager/admin.php
@@ -10717,7 +10717,8 @@ function adminSaveTurnier(): void
 		
 		if ($letzter_tag == $erster_tag){
 			$query = "UPDATE #__sportsmanager_turnierdisziplin"
-				. "\n SET beginn = CONCAT('$erster_tag', ' ', TIME(beginn))";
+				. "\n SET beginn = CONCAT('$erster_tag', ' ', TIME(beginn))"
+				. "\n WHERE turnier_id = $id";
 		}
         $db->setQuery($query);
         if (!$db->execute()) {
diff --git a/src/structure/components/com_sportsmanager/database/update.php b/src/structure/components/com_sportsmanager/database/update.php
index 60dae7a..c7f4cf5 100644
--- a/src/structure/components/com_sportsmanager/database/update.php
+++ b/src/structure/components/com_sportsmanager/database/update.php
@@ -5414,6 +5414,27 @@ function updateDatabase(): void
         }
     }
 
+    if ($datenbank_version < 113) {
+
+		// Korrektur Startuhrzeit in sportsmanager_turnierdisziplin bei eintägigen Veranstaltungen
+		$query = "UPDATE #__sportsmanager_turnierdisziplin td"
+			. "\n JOIN #__sportsmanager_turnier t ON td.turnier_id = t.turnier_id"
+			. "\n SET td.beginn = CONCAT(t.erster_tag, ' ', TIME(td.beginn))"
+			. "\n WHERE t.erster_tag = t.letzter_tag;";
+        $db->setQuery($query);
+        if (!$db->execute()) {
+            die($db->stderr(true));
+        }
+
+        $query = "UPDATE #__sportsmanager_einstellungen"
+            . "\n SET wert = '112'"
+            . "\n WHERE name = 'datenbank_version'";
+        $db->setQuery($query);
+        if (!$db->execute()) {
+            die($db->stderr(true));
+        }
+    }
+
     if ($termin_aktionen_email_setzen) {
         $query = "SELECT aktion_user_id, termin_aktion_id"
             . "\n FROM #__sportsmanager_termin_aktion";