diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/SearchTabsHelperTest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/SearchTabsHelperTest.php
index fffe9d1aa6ccb9fb196448b91efd72ad6e38dcab..9f6c92df66cf53082fcc95a6f7107e0a0fad3b98 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/Search/SearchTabsHelperTest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/Search/SearchTabsHelperTest.php
@@ -241,7 +241,7 @@ class SearchTabsHelperTest extends TestCase
             ->method('get')
             ->will(
                 $this->returnCallback(
-                    function($backend) use ($mockSolr, $mockPrimo) {
+                    function ($backend) use ($mockSolr, $mockPrimo) {
                         switch ($backend) {
                             case 'Solr': return $mockSolr;
                             case 'Primo': return $mockPrimo;