diff --git a/src/Symfony/Bridge/PhpUnit/Legacy/CoverageListenerTrait.php b/src/Symfony/Bridge/PhpUnit/Legacy/CoverageListenerTrait.php
index 7a64ed0d91cd5..aec5be838ec6f 100644
--- a/src/Symfony/Bridge/PhpUnit/Legacy/CoverageListenerTrait.php
+++ b/src/Symfony/Bridge/PhpUnit/Legacy/CoverageListenerTrait.php
@@ -66,13 +66,21 @@ public function startTest($test)
             return;
         }
 
+        if (!\is_array($sutFqcn)) {
+            $covers = [$sutFqcn];
+            while ($parent = get_parent_class($sutFqcn)) {
+                $covers[] = $parent;
+                $sutFqcn = $parent;
+            }
+        }
+
         $r = new \ReflectionProperty(Test::class, 'annotationCache');
         $r->setAccessible(true);
 
         $cache = $r->getValue();
         $cache = array_replace_recursive($cache, [
             \get_class($test) => [
-                'covers' => \is_array($sutFqcn) ? $sutFqcn : [$sutFqcn],
+                'covers' => $covers,
             ],
         ]);
         $r->setValue(Test::class, $cache);