diff --git a/src/Database/Table/Selection.php b/src/Database/Table/Selection.php
index 76603ccd9..c79fe19ec 100644
--- a/src/Database/Table/Selection.php
+++ b/src/Database/Table/Selection.php
@@ -810,9 +810,8 @@ public function getDataRefreshed(): bool
 
 	/**
 	 * Inserts one or more rows into the table.
-	 * Returns the inserted ActiveRow for single-row inserts, or the number of affected rows otherwise.
-	 * @param  iterable<string, mixed>|Selection<ActiveRow>  $data
-	 * @return ($data is array<string, mixed> ? T|array<string, mixed> : int)
+	 * @param  iterable<string, mixed>|list<array<string, mixed>>|Selection<ActiveRow>  $data
+	 * @return T|array<int|string, mixed>|int
 	 */
 	public function insert(iterable $data): ActiveRow|array|int
 	{
diff --git a/tests/types/TypesTest.phpt b/tests/types/TypesTest.phpt
index 1bd53e017..6bbbf6406 100644
--- a/tests/types/TypesTest.phpt
+++ b/tests/types/TypesTest.phpt
@@ -5,3 +5,4 @@ require __DIR__ . '/../bootstrap.php';
 use Nette\PHPStan\Tester\TypeAssert;
 
 TypeAssert::assertTypes(__DIR__ . '/database-types.php');
+TypeAssert::assertNoErrors(__DIR__ . '/database-types.php');
diff --git a/tests/types/database-types.php b/tests/types/database-types.php
index d553a9282..556a5758f 100644
--- a/tests/types/database-types.php
+++ b/tests/types/database-types.php
@@ -116,3 +116,33 @@ function testResultSetFetchPairs(ResultSet $resultSet): void
 {
 	assertType('array<mixed>', $resultSet->fetchPairs());
 }
+
+
+/** @param Selection<ActiveRow> $selection */
+function testSelectionInsertSingleRow(Selection $selection): void
+{
+	$result = $selection->insert(['name' => 'Alice']);
+	assertType('array<int|string, mixed>|int|Nette\Database\Table\ActiveRow', $result);
+}
+
+
+/** @param Selection<ActiveRow> $selection */
+function testSelectionInsertBulk(Selection $selection): void
+{
+	$result = $selection->insert([
+		['name' => 'Alice'],
+		['name' => 'Bob'],
+	]);
+	assertType('array<int|string, mixed>|int|Nette\Database\Table\ActiveRow', $result);
+}
+
+
+/**
+ * @param Selection<ActiveRow> $selection
+ * @param Selection<ActiveRow> $source
+ */
+function testSelectionInsertFromSelection(Selection $selection, Selection $source): void
+{
+	$result = $selection->insert($source);
+	assertType('array<int|string, mixed>|int|Nette\Database\Table\ActiveRow', $result);
+}