diff --git a/module/VuFindTheme/tests/unit-tests/fixtures/themes/child/theme.config.php b/module/VuFindTheme/tests/unit-tests/fixtures/themes/child/theme.config.php
index d79f66278bdf43e41dc3c1382f48b1b511776fc0..cd7c97ff86b6c7bc51e701becdcb0ac40194a9f3 100644
--- a/module/VuFindTheme/tests/unit-tests/fixtures/themes/child/theme.config.php
+++ b/module/VuFindTheme/tests/unit-tests/fixtures/themes/child/theme.config.php
@@ -7,7 +7,7 @@ return [
         'factories' => [
             'foo' => 'fooOverrideFactory',
         ],
-        'invokables' => [
+        'aliases' => [
             'xyzzy' => 'Xyzzy',
         ]
     ],
diff --git a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeCompilerTest.php b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeCompilerTest.php
index 424c252dc4a08b1b05b929ed2c16bd03ca3728fb..f0808c15f38ff1ea95c1f3d698c695df95c36ea8 100644
--- a/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeCompilerTest.php
+++ b/module/VuFindTheme/tests/unit-tests/src/VuFindTest/ThemeCompilerTest.php
@@ -128,7 +128,7 @@ class ThemeCompilerTest extends Unit\TestCase
                     'foo' => 'fooOverrideFactory',
                     'bar' => 'barFactory',
                 ],
-                'invokables' => [
+                'aliases' => [
                     'xyzzy' => 'Xyzzy',
                 ]
             ],
@@ -186,7 +186,7 @@ class ThemeCompilerTest extends Unit\TestCase
                     'foo' => 'fooOverrideFactory',
                     'bar' => 'barFactory',
                 ],
-                'invokables' => [
+                'aliases' => [
                     'xyzzy' => 'Xyzzy',
                 ]
             ],