diff --git a/modules/gnode/gnode.module b/modules/gnode/gnode.module
index 01c5e9c..d23c673 100644
--- a/modules/gnode/gnode.module
+++ b/modules/gnode/gnode.module
@@ -333,12 +333,21 @@ function gnode_node_access_records(NodeInterface $node) {
 
     // We use the group ID as the realm ID.
     $gid = $group->id();
-
-    // Add the non-author record for viewing nodes.
-    $records[] = ['gid' => $gid, 'realm' => "$prefix:$node_type_id"] + $base;
-
-    // Add the author record for updating or deleting.
-    $records[] = ['gid' => $gid, 'realm' => "gnode_author:$uid:$node_type_id"] + $base;
+    // Make sure group will not generate duplicate records.
+    foreach ($records as $record) {
+      if (($record['gid'] == $gid) && ($record['realm'] == "$prefix:$node_type_id")) {
+        continue;
+      }
+      elseif (($record['gid'] == $gid) && ($record['realm'] == "gnode_author:$uid:$node_type_id")) {
+        continue;
+      }
+      else {
+        // Add the non-author record for viewing nodes.
+        $records[] = ['gid' => $gid, 'realm' => "$prefix:$node_type_id"] + $base;
+        // Add the author record for updating or deleting.
+        $records[] = ['gid' => $gid, 'realm' => "gnode_author:$uid:$node_type_id"] + $base;
+      }
+    }
   }
 
   // Add the general access bypass record.