core/modules/node/src/NodeGrantDatabaseStorage.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/modules/node/src/NodeGrantDatabaseStorage.php b/core/modules/node/src/NodeGrantDatabaseStorage.php
index a664862..f33aba6 100644
--- a/core/modules/node/src/NodeGrantDatabaseStorage.php
+++ b/core/modules/node/src/NodeGrantDatabaseStorage.php
@@ -94,8 +94,8 @@ public function access(NodeInterface $node, $operation, $langcode, AccountInterf
     // cases. For now, this must remain marked as uncacheable, even when it is
     // theoretically cacheable, because we don't have the necessary metadata to
     // know it for a fact.
-    $set_cacheability = function (AccessResult $access_result, $op) {
-      if ($op === 'view') {
+    $set_cacheability = function (AccessResult $access_result) use ($operation) {
+      if ($operation === 'view') {
         return $access_result->addCacheContexts('cache_context.node_view_grants');
       }
       else {