1 files changed, 1 insertions, 1 deletions

diff --git a/tests/legacy/LegacyLinkDBTest.php b/tests/legacy/LegacyLinkDBTest.php
index 0884ad03..92cf607c 100644
--- a/tests/legacy/LegacyLinkDBTest.php
+++ b/tests/legacy/LegacyLinkDBTest.php
@@ -52,7 +52,7 @@ class LegacyLinkDBTest extends \PHPUnit\Framework\TestCase
      *
      * Resets test data for each test
      */
-    protected function setUp()
+    protected function setUp(): void
     {
         if (file_exists(self::$testDatastore)) {
             unlink(self::$testDatastore);