diff --git a/tests/phpunit/tests/rewrite.php b/tests/phpunit/tests/rewrite.php
index 1f7426e3d3..5db9eddc18 100644
--- a/tests/phpunit/tests/rewrite.php
+++ b/tests/phpunit/tests/rewrite.php
@@ -320,4 +320,19 @@ class Tests_Rewrite extends WP_UnitTestCase {
 		$this->set_permalink_structure();
 	}
 
+	/**
+	 * @ticket 29107
+	 */
+	public function test_flush_rules_does_not_delete_option() {
+		$this->set_permalink_structure();
+
+		$rewrite_rules = get_option( 'rewrite_rules' );
+		$this->assertSame( '', $rewrite_rules );
+
+		$this->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
+
+		$rewrite_rules = get_option( 'rewrite_rules' );
+		$this->assertInternalType( 'array', $rewrite_rules );
+		$this->assertNotEmpty( $rewrite_rules );
+	}
 }