diff --git a/libraries/classes/Import.php b/libraries/classes/Import.php
index e6734525af..21401b1ebf 100644
--- a/libraries/classes/Import.php
+++ b/libraries/classes/Import.php
@@ -1051,7 +1051,7 @@ class Import
         ?array &$analyses = null,
         ?array &$additional_sql = null,
         ?array $options = null,
-        array &$sql_data
+        array &$sql_data = []
     ): void {
         global $import_notice, $dbi;
 
diff --git a/test/classes/Controllers/Database/StructureControllerTest.php b/test/classes/Controllers/Database/StructureControllerTest.php
index b19c7c6666..fbf0cedafd 100644
--- a/test/classes/Controllers/Database/StructureControllerTest.php
+++ b/test/classes/Controllers/Database/StructureControllerTest.php
@@ -535,6 +535,10 @@ class StructureControllerTest extends AbstractTestCase
         $tablesProperty = $class->getProperty('tables');
         $tablesProperty->setAccessible(true);
 
+        $numTables = $class->getProperty('numTables');
+        $numTables->setAccessible(true);
+        $numTables->setValue($controller, 1);
+
         //no tables
         $_REQUEST['db'] = 'my_unique_test_db';
         $tablesProperty->setValue($controller, []);