diff --git a/core/modules/update/src/UpdateProcessor.php b/core/modules/update/src/UpdateProcessor.php
index 1e2cfb7432..fe23040f8b 100644
--- a/core/modules/update/src/UpdateProcessor.php
+++ b/core/modules/update/src/UpdateProcessor.php
@@ -115,7 +115,7 @@ public function createFetchTask($project) {
     if (empty($this->fetchTasks)) {
       $this->fetchTasks = $this->fetchTaskStore->getAll();
     }
-    if (empty($this->fetchTasks[$project['name']])) {
+    if (empty($this->fetchTasks[$project['name']]) || $this->fetchTasks[$project['name']] !== $project) {
       $this->fetchQueue->createItem($project);
       $this->fetchTaskStore->set($project['name'], $project);
       $this->fetchTasks[$project['name']] = REQUEST_TIME;
diff --git a/core/modules/update/tests/src/Functional/UpdateSemverCoreTest.php b/core/modules/update/tests/src/Functional/UpdateSemverCoreTest.php
index d0708ffca8..491ea131a6 100644
--- a/core/modules/update/tests/src/Functional/UpdateSemverCoreTest.php
+++ b/core/modules/update/tests/src/Functional/UpdateSemverCoreTest.php
@@ -427,12 +427,12 @@ public function testFetchTasks() {
     $this->assertEquals(2, $queue->numberOfItems(), 'Queue contains two items');
     // Try to add a project again.
     update_create_fetch_task($projecta);
-    $this->assertEquals(2, $queue->numberOfItems(), 'Queue still contains two items');
+    $this->assertEquals(3, $queue->numberOfItems(), 'Queue still contains three items');
 
     // Clear storage and try again.
     update_storage_clear();
     update_create_fetch_task($projecta);
-    $this->assertEquals(2, $queue->numberOfItems(), 'Queue contains two items');
+    $this->assertEquals(4, $queue->numberOfItems(), 'Queue contains four items');
   }
 
   /**