diff --git a/application/migrations/197_clublog_recvd.php b/application/migrations/197_clublog_recvd.php
index f3b9c8dcb..b57774467 100644
--- a/application/migrations/197_clublog_recvd.php
+++ b/application/migrations/197_clublog_recvd.php
@@ -10,18 +10,20 @@ class Migration_clublog_recvd extends CI_Migration {
 			);
 			$this->dbforge->add_column($this->config->item('table_name'), $fields);
 		}
-		$data = array(
-			array(
-				'id' => 'clublog_download',
-				'enabled' => '0',
-				'status' => 'pending',
-				'description' => 'Download QSOs from Clublog',
-				'function' => 'index.php/clublog/download',
-				'expression' => '7 00 * * *',
-				'last_run' => null,
-				'next_run' => null
-			));
+		if ($this->chk4cron('clublog_download') == 0) {
+			$data = array(
+				array(
+					'id' => 'clublog_download',
+					'enabled' => '0',
+					'status' => 'pending',
+					'description' => 'Download QSOs from Clublog',
+					'function' => 'index.php/clublog/download',
+					'expression' => '7 00 * * *',
+					'last_run' => null,
+					'next_run' => null
+				));
 			$this->db->insert_batch('cron', $data);
+		}
 	}
 
 	public function down() {
@@ -31,5 +33,14 @@ class Migration_clublog_recvd extends CI_Migration {
                 if ($this->db->field_exists('COL_CLUBLOG_QSO_DOWNLOAD_STATUS', $this->config->item('table_name'))) {
                         $this->dbforge->drop_column($this->config->item('table_name'), 'COL_CLUBLOG_QSO_DOWNLOAD_STATUS');
                 }
+		if ($this->chk4cron('clublog_download') > 0) {
+			$this->db->query("delete from cron where id='clublog_download'");
+		}
+	}
+
+	function chk4cron($cronkey) {
+		$query = $this->db->query("select count(id) as cid from cron where id=?",$cronkey);
+		$row = $query->row();
+		return $row->cid ?? 0;
 	}
 }