diff --git a/lib/core/checklist.dart b/lib/core/checklist.dart
index 23d305c9..d9718889 100644
--- a/lib/core/checklist.dart
+++ b/lib/core/checklist.dart
@@ -327,9 +327,12 @@ class MarkdownRenderer implements md.NodeVisitor {
       var attr = element.attributes;
       print(attr);
       if (attr['class'] == 'todo' && attr['type'] == 'checkbox') {
-        bool val = attr.containsKey('checked');
-        if (val) {
-          buffer.write('[x]');
+        if (attr.containsKey('checked')) {
+          if (attr.containsKey('uppercase')) {
+            buffer.write('[X]');
+          } else {
+            buffer.write('[x]');
+          }
         } else {
           buffer.write('[ ]');
         }
diff --git a/test/checklist_test.dart b/test/checklist_test.dart
index 3d078ff2..def2642c 100644
--- a/test/checklist_test.dart
+++ b/test/checklist_test.dart
@@ -229,7 +229,7 @@ How are you doing?
 
 - [ ] item 1
 - [x] item 2
-- [x] item 3
+- [X] item 3
 - [ ] item 4
 - [ ] item 5
 
@@ -282,7 +282,7 @@ How are you doing?
 
 - [x] item 1
 - [ ] Foo
-- [x] item 3
+- [X] item 3
 - [ ] item 4
 - [ ] Howdy