diff --git a/src/Controller/CRUDController.php b/src/Controller/CRUDController.php
index fb5e04b8e97..3031c8351c1 100644
--- a/src/Controller/CRUDController.php
+++ b/src/Controller/CRUDController.php
@@ -842,15 +842,15 @@ public function historyViewRevisionAction($id = null, $revision = null) // NEXT_
      * Compare history revisions of object.
      *
      * @param int|string|null $id
-     * @param int|string|null $base_revision
-     * @param int|string|null $compare_revision
+     * @param int|string|null $baseRevision
+     * @param int|string|null $compareRevision
      *
      * @throws AccessDeniedException If access is not granted
      * @throws NotFoundHttpException If the object or revision does not exist or the audit reader is not available
      *
      * @return Response
      */
-    public function historyCompareRevisionsAction($id = null, $base_revision = null, $compare_revision = null) // NEXT_MAJOR: Remove the unused $id parameter
+    public function historyCompareRevisionsAction($id = null, $baseRevision = null, $compareRevision = null) // NEXT_MAJOR: Remove the unused $id parameter
     {
         $this->admin->checkAccess('historyCompareRevisions');
 
@@ -874,28 +874,28 @@ public function historyCompareRevisionsAction($id = null, $base_revision = null,
         $reader = $manager->getReader($this->admin->getClass());
 
         // retrieve the base revision
-        $base_object = $reader->find($this->admin->getClass(), $id, $base_revision);
-        if (!$base_object) {
+        $baseObject = $reader->find($this->admin->getClass(), $id, $baseRevision);
+        if (!$baseObject) {
             throw $this->createNotFoundException(sprintf(
                 'unable to find the targeted object `%s` from the revision `%s` with classname : `%s`',
                 $id,
-                $base_revision,
+                $baseRevision,
                 $this->admin->getClass()
             ));
         }
 
         // retrieve the compare revision
-        $compare_object = $reader->find($this->admin->getClass(), $id, $compare_revision);
-        if (!$compare_object) {
+        $compareObject = $reader->find($this->admin->getClass(), $id, $compareRevision);
+        if (!$compareObject) {
             throw $this->createNotFoundException(sprintf(
                 'unable to find the targeted object `%s` from the revision `%s` with classname : `%s`',
                 $id,
-                $compare_revision,
+                $compareRevision,
                 $this->admin->getClass()
             ));
         }
 
-        $this->admin->setSubject($base_object);
+        $this->admin->setSubject($baseObject);
 
         // NEXT_MAJOR: Remove this line and use commented line below it instead
         $template = $this->admin->getTemplate('show_compare');
@@ -903,8 +903,8 @@ public function historyCompareRevisionsAction($id = null, $base_revision = null,
 
         return $this->renderWithExtraParams($template, [
             'action' => 'show',
-            'object' => $base_object,
-            'object_compare' => $compare_object,
+            'object' => $baseObject,
+            'object_compare' => $compareObject,
             'elements' => $this->admin->getShow(),
         ], null);
     }
diff --git a/src/Resources/views/CRUD/base_history.html.twig b/src/Resources/views/CRUD/base_history.html.twig
index a83f67f32a9..0cbac4b3652 100644
--- a/src/Resources/views/CRUD/base_history.html.twig
+++ b/src/Resources/views/CRUD/base_history.html.twig
@@ -42,7 +42,7 @@ file that was distributed with this source code.
                                     {% if (currentRevision == false or revision.rev == currentRevision.rev) %}
                                         /
                                     {% else %}
-                                        <a href="{{ admin.generateObjectUrl('history_compare_revisions', object, {'base_revision': currentRevision.rev, 'compare_revision': revision.rev }) }}" class="revision-compare-link" rel="{{ revision.rev }}">{{ 'label_compare_revision'|trans({}, 'SonataAdminBundle') }}</a>
+                                        <a href="{{ admin.generateObjectUrl('history_compare_revisions', object, {'baseRevision': currentRevision.rev, 'compareRevision': revision.rev }) }}" class="revision-compare-link" rel="{{ revision.rev }}">{{ 'label_compare_revision'|trans({}, 'SonataAdminBundle') }}</a>
                                     {% endif %}
                                 </td>
                             </tr>
diff --git a/src/Route/PathInfoBuilder.php b/src/Route/PathInfoBuilder.php
index 18dd09343ab..c7f12249b93 100644
--- a/src/Route/PathInfoBuilder.php
+++ b/src/Route/PathInfoBuilder.php
@@ -47,7 +47,7 @@ public function build(AdminInterface $admin, RouteCollection $collection)
         if ($this->manager->hasReader($admin->getClass())) {
             $collection->add('history', sprintf('%s/history', $admin->getRouterIdParameter()));
             $collection->add('history_view_revision', sprintf('%s/history/{revision}/view', $admin->getRouterIdParameter()));
-            $collection->add('history_compare_revisions', sprintf('%s/history/{base_revision}/{compare_revision}/compare', $admin->getRouterIdParameter()));
+            $collection->add('history_compare_revisions', sprintf('%s/history/{baseRevision}/{compareRevision}/compare', $admin->getRouterIdParameter()));
         }
 
         if ($admin->isAclEnabled()) {