diff --git a/site/docs/api/table-options.md b/site/docs/api/table-options.md
index 4e6a4959f0..3988362cbf 100644
--- a/site/docs/api/table-options.md
+++ b/site/docs/api/table-options.md
@@ -578,7 +578,7 @@ The table options are defined in `jQuery.fn.bootstrapTable.defaults`.
 
 - **Detail:**
 
-  When set pagination property, initialize the page size selecting list. If you include the `'All'` or `'Unlimited'` option, all the records will be shown in your table.
+  When set pagination property, initialize the page size selecting list. If you include the `'all'` or `'unlimited'` option, all the records will be shown in your table.
 
 - **Default:** `[10, 25, 50, 100]`
 
diff --git a/src/bootstrap-table.js b/src/bootstrap-table.js
index 57ffc19850..76f1090b09 100644
--- a/src/bootstrap-table.js
+++ b/src/bootstrap-table.js
@@ -1495,8 +1495,8 @@
           pageList = []
           for (const value of list) {
             pageList.push(
-              (value.toUpperCase() === o.formatAllRows().toUpperCase() ||
-              value.toUpperCase() === 'UNLIMITED')
+              (value.toLowerCase() === o.formatAllRows().toLowerCase() ||
+              ['all', 'unlimited'].includes(value.toLowerCase()))
                 ? o.formatAllRows() : +value)
           }
         }