diff --git a/core/modules/image/src/Tests/Update/ScaleAndCropUpscaleUpdateTest.php b/core/modules/image/src/Tests/Update/ScaleAndCropUpscaleUpdateTest.php
index d939144..c054911 100644
--- a/core/modules/image/src/Tests/Update/ScaleAndCropUpscaleUpdateTest.php
+++ b/core/modules/image/src/Tests/Update/ScaleAndCropUpscaleUpdateTest.php
@@ -30,16 +30,16 @@ protected function setDatabaseDumpFiles() {
   public function testImagePostUpdateScaleAndCropEffectUpscale() {
     $image_style = ImageStyle::load('test_scale_and_crop_upscale');
     // Test that Scale and crop effect does not have 'upscale' parameter set.
-    $effects = $image_style->getEffects();
-    $this->assertFalse(isset($effects[0]->getConfiguration()['data']['upscale']));
+    $effect = $image_style->getEffect('637b75a0-a80a-4bcc-8300-66994a27871d');
+    $this->assertFalse(isset($effect->getConfiguration()['data']['upscale']));
 
     $this->runUpdates();
 
     $image_style = ImageStyle::load('test_scale_and_crop_upscale');
     // Test that Scale and crop effect has 'upscale' parameter set.
-    $effects = $image_style->getEffects();
-    $this->assertTrue(isset($effects[0]->getConfiguration()['data']['upscale']));
-    $this->assertFalse($effects[0]->getConfiguration()['data']['upscale']);
+    $effect = $image_style->getEffect('637b75a0-a80a-4bcc-8300-66994a27871d');
+    $this->assertTrue(isset($effect->getConfiguration()['data']['upscale']));
+    $this->assertFalse($effect->getConfiguration()['data']['upscale']);
   }
 
 }