diff --git a/Application/Model/Cronjob.php b/Application/Model/Cronjob.php
index eab7b94..0b780db 100644
--- a/Application/Model/Cronjob.php
+++ b/Application/Model/Cronjob.php
@@ -41,9 +41,10 @@ public static function getTableCreateQuery()
     {
         return "CREATE TABLE `".self::$sTableName."` (
             `OXID` CHAR(32) NOT NULL COLLATE 'latin1_general_ci',
+            `OXSHOPID` int(11) NOT NULL DEFAULT 1,
             `MINUTE_INTERVAL` INT(11) NOT NULL,
             `LAST_RUN` DATETIME NULL DEFAULT NULL,
-            PRIMARY KEY (`OXID`) USING BTREE
+            PRIMARY KEY (`OXID`,`OXSHOPID`) USING BTREE
         ) COLLATE='utf8_general_ci' ENGINE=InnoDB";
     }
 
@@ -52,14 +53,16 @@ public static function getTableCreateQuery()
      *
      * @param  string $sCronjobId
      * @param  int    $iDefaultMinuteInterval
+     * @param  int    $iShopId
      * @return void
      */
-    public function addNewCronjob($sCronjobId, $iDefaultMinuteInterval)
+    public function addNewCronjob($sCronjobId, $iDefaultMinuteInterval, $iShopId)
     {
-        $sQuery = "INSERT INTO `".self::$sTableName."` (OXID, MINUTE_INTERVAL, LAST_RUN) VALUES(:oxid, :minuteinterval, '0000-00-00 00:00:00');";
+        $sQuery = "INSERT INTO `".self::$sTableName."` (OXID, OXSHOPID, MINUTE_INTERVAL, LAST_RUN) VALUES(:oxid, :shopid, :minuteinterval, '0000-00-00 00:00:00');";
 
         DatabaseProvider::getDb()->Execute($sQuery, [
             ':oxid' => $sCronjobId,
+            ':shopid' => $iShopId,
             ':minuteinterval' => $iDefaultMinuteInterval,
         ]);
     }
@@ -68,12 +71,13 @@ public function addNewCronjob($sCronjobId, $iDefaultMinuteInterval)
      * Check if cronjob already exists
      *
      * @param  string $sCronjobId
+     * @param  int    $iShopId
      * @return bool
      */
-    public function isCronjobAlreadyExisting($sCronjobId)
+    public function isCronjobAlreadyExisting($sCronjobId, $iShopId)
     {
-        $sQuery = "SELECT OXID FROM `".self::$sTableName."` WHERE OXID = ?;";
-        if (!DatabaseProvider::getDb()->getOne($sQuery, array($sCronjobId))) {
+        $sQuery = "SELECT OXID FROM `".self::$sTableName."` WHERE OXID = ? AND OXSHOPID = ?;";
+        if (!DatabaseProvider::getDb()->getOne($sQuery, array($sCronjobId, $iShopId))) {
             return false;
         }
         return true;
@@ -85,22 +89,23 @@ public function isCronjobAlreadyExisting($sCronjobId)
      * @param  string $sCronjobId
      * @return void
      */
-    public function markCronjobAsFinished($sCronjobId)
+    public function markCronjobAsFinished($sCronjobId, $iShopId)
     {
-        DatabaseProvider::getDb()->execute("UPDATE `".self::$sTableName."` SET LAST_RUN = NOW() WHERE OXID = ?;", array($sCronjobId));
+        DatabaseProvider::getDb()->execute("UPDATE `".self::$sTableName."` SET LAST_RUN = NOW() WHERE OXID = ? AND OXSHOPID = ?;", array($sCronjobId, $iShopId));
     }
 
     /**
      * Return cronjob data for given cronjobId
      *
      * @param  string $sCronjobId
+     * @param  int    $iShopId
      * @return array
      */
-    public function getCronjobData($sCronjobId)
+    public function getCronjobData($sCronjobId, $iShopId)
     {
         $oDb = DatabaseProvider::getDb(true);
         $oDb->setFetchMode(DatabaseInterface::FETCH_MODE_ASSOC);
-        $sQuery = "SELECT * FROM `".self::$sTableName."` WHERE OXID = ?;";
-        return $oDb->getRow($sQuery, array($sCronjobId));
+        $sQuery = "SELECT * FROM `".self::$sTableName."` WHERE OXID = ? AND OXSHOPID = ?;";
+        return $oDb->getRow($sQuery, array($sCronjobId, $iShopId));
     }
 }
\ No newline at end of file
diff --git a/Application/Model/Cronjob/Base.php b/Application/Model/Cronjob/Base.php
index 3399858..7ee1c45 100644
--- a/Application/Model/Cronjob/Base.php
+++ b/Application/Model/Cronjob/Base.php
@@ -54,8 +54,8 @@ public function __construct($iShopId = false)
         $this->iShopId = $iShopId;
 
         $oCronjob = Cronjob::getInstance();
-        if ($this->getCronjobId() !== null && $oCronjob->isCronjobAlreadyExisting($this->getCronjobId()) === false) {
-            $oCronjob->addNewCronjob($this->getCronjobId(), $this->getDefaultMinuteInterval());
+        if ($this->getCronjobId() !== null && $oCronjob->isCronjobAlreadyExisting($this->getCronjobId(), $this->getShopId()) === false) {
+            $oCronjob->addNewCronjob($this->getCronjobId(), $this->getDefaultMinuteInterval(), $this->getShopId());
         }
         $this->loadDbData();
     }
@@ -67,7 +67,7 @@ public function __construct($iShopId = false)
      */
     protected function loadDbData()
     {
-        $this->aDbData = Cronjob::getInstance()->getCronjobData($this->getCronjobId());
+        $this->aDbData = Cronjob::getInstance()->getCronjobData($this->getCronjobId(), $this->getShopId());
     }
 
     /**
@@ -182,7 +182,7 @@ protected function handleCronjob()
      */
     protected function finishCronjob($blResult, $sError = false)
     {
-        Cronjob::getInstance()->markCronjobAsFinished($this->getCronjobId());
+        Cronjob::getInstance()->markCronjobAsFinished($this->getCronjobId(), $this->getShopId());
         if ($blResult === false) {
             Logger::logMessage('Cron "'.$this->getCronjobId().'" failed'.($sError !== false ? " (Error: ".$sError.")" : ""), getShopBasePath().'/log/'.$this->sLogFileName);
         }
diff --git a/Application/Model/Cronjob/Scheduler.php b/Application/Model/Cronjob/Scheduler.php
index f8761af..f2bed14 100644
--- a/Application/Model/Cronjob/Scheduler.php
+++ b/Application/Model/Cronjob/Scheduler.php
@@ -56,10 +56,12 @@ public function start($iShopId = false)
     {
         Base::outputInfo("START MOLLIE CRONJOB EXECUTION");
 
+        $oConfig = Registry::getConfig();
         if ($iShopId !== false) {
-            $oConfig = Registry::getConfig();
             $oConfig->setShopId($iShopId);
             Registry::set(\OxidEsales\Eshop\Core\Config::class, $oConfig);
+        } else {
+            $iShopId = $oConfig->getShopId();
         }
 
         foreach ($this->getCronjobs() as $sCronjobClass) {
diff --git a/Core/Events.php b/Core/Events.php
index 04abb72..d842a8a 100644
--- a/Core/Events.php
+++ b/Core/Events.php
@@ -256,6 +256,9 @@ protected static function addDatabaseStructure()
         self::addColumnIfNotExists('oxorder', 'MOLLIESHIPMENTHASBEENMARKED', "ALTER TABLE `oxorder` ADD COLUMN `MOLLIESHIPMENTHASBEENMARKED` tinyint(1) UNSIGNED NOT NULL DEFAULT  '0';", $aShipmentSentQuery);
 
         self::addColumnIfNotExists('oxuser', 'MOLLIECUSTOMERID', "ALTER TABLE `oxuser` ADD COLUMN `MOLLIECUSTOMERID` VARCHAR(32) CHARSET utf8 COLLATE utf8_general_ci DEFAULT '' NOT NULL;");
+
+        $aCronjobShopIdFollowup = ["ALTER TABLE `molliecronjob` DROP PRIMARY KEY, ADD PRIMARY KEY (`OXID`, `OXSHOPID`) USING BTREE;"];
+        self::addColumnIfNotExists('molliecronjob', 'OXSHOPID', "ALTER TABLE `molliecronjob` ADD `OXSHOPID` INT(11) NOT NULL DEFAULT '1' AFTER `OXID`;", $aCronjobShopIdFollowup);
     }
 
     /**