diff --git a/src/compare/diff.rs b/src/compare/diff.rs
index a2f41178..4b24dc48 100644
--- a/src/compare/diff.rs
+++ b/src/compare/diff.rs
@@ -60,6 +60,7 @@ use crate::types::TableCell;
 use crate::types::TableRow;
 use crate::types::Target;
 use crate::types::Timestamp;
+use crate::types::TodoKeywordType;
 use crate::types::Underline;
 use crate::types::Verbatim;
 use crate::types::VerseBlock;
@@ -510,9 +511,9 @@ fn compare_heading<'s>(
         .map(Token::as_atom)
         .map_or(Ok(None), |r| r.map(Some))?
         .unwrap_or("nil");
-    match (todo_keyword, rust.todo_keyword, unquote(todo_keyword)) {
+    match (todo_keyword, &rust.todo_keyword, unquote(todo_keyword)) {
         ("nil", None, _) => {}
-        (_, Some(rust_todo), Ok(emacs_todo)) if emacs_todo == rust_todo => {}
+        (_, Some((_rust_todo_type, rust_todo)), Ok(emacs_todo)) if emacs_todo == *rust_todo => {}
         (emacs_todo, rust_todo, _) => {
             this_status = DiffStatus::Bad;
             message = Some(format!(
@@ -521,6 +522,24 @@ fn compare_heading<'s>(
             ));
         }
     };
+    // Compare todo-type
+    let todo_type = get_property(emacs, ":todo-type")?
+        .map(Token::as_atom)
+        .map_or(Ok(None), |r| r.map(Some))?
+        .unwrap_or("nil");
+    // todo-type is an unquoted string either todo, done, or nil
+    match (todo_type, &rust.todo_keyword) {
+        ("nil", None) => {}
+        ("todo", Some((TodoKeywordType::Todo, _))) => {}
+        ("done", Some((TodoKeywordType::Done, _))) => {}
+        (emacs_todo, rust_todo) => {
+            this_status = DiffStatus::Bad;
+            message = Some(format!(
+                "(emacs != rust) {:?} != {:?}",
+                emacs_todo, rust_todo
+            ));
+        }
+    };
 
     // Compare title
     let title = get_property(emacs, ":title")?.ok_or("Missing :title attribute.")?;
@@ -532,7 +551,7 @@ fn compare_heading<'s>(
         .collect::<Result<Vec<_>, _>>()?;
     child_status.push(artificial_diff_scope("title".to_owned(), title_status)?);
 
-    // TODO: Compare todo-type, priority, :footnote-section-p, :archivedp, :commentedp
+    // TODO: Compare priority, :footnote-section-p, :archivedp, :commentedp
 
     // Compare section
     let section_status = children
diff --git a/src/parser/document.rs b/src/parser/document.rs
index e9556f3f..8c50dbd2 100644
--- a/src/parser/document.rs
+++ b/src/parser/document.rs
@@ -51,6 +51,7 @@ use crate::types::Element;
 use crate::types::Heading;
 use crate::types::Object;
 use crate::types::Section;
+use crate::types::TodoKeywordType;
 
 /// Parse a full org-mode document.
 ///
@@ -346,8 +347,9 @@ fn _heading<'b, 'g, 'r, 's>(
         Heading {
             source: source.into(),
             stars: star_count,
-            todo_keyword: maybe_todo_keyword
-                .map(|(todo_keyword, _ws)| Into::<&str>::into(todo_keyword)),
+            todo_keyword: maybe_todo_keyword.map(|((todo_keyword_type, todo_keyword), _ws)| {
+                (todo_keyword_type, Into::<&str>::into(todo_keyword))
+            }),
             title,
             tags: heading_tags,
             children,
@@ -371,7 +373,7 @@ fn headline<'b, 'g, 'r, 's>(
     (
         usize,
         OrgSource<'s>,
-        Option<(OrgSource<'s>, OrgSource<'s>)>,
+        Option<((TodoKeywordType, OrgSource<'s>), OrgSource<'s>)>,
         Vec<Object<'s>>,
         Vec<&'s str>,
     ),
@@ -447,23 +449,38 @@ fn single_tag<'r, 's>(input: OrgSource<'s>) -> Res<OrgSource<'s>, OrgSource<'s>>
 fn heading_keyword<'b, 'g, 'r, 's>(
     context: RefContext<'b, 'g, 'r, 's>,
     input: OrgSource<'s>,
-) -> Res<OrgSource<'s>, OrgSource<'s>> {
+) -> Res<OrgSource<'s>, (TodoKeywordType, OrgSource<'s>)> {
     let global_settings = context.get_global_settings();
     if global_settings.in_progress_todo_keywords.is_empty()
         && global_settings.complete_todo_keywords.is_empty()
     {
-        alt((tag("TODO"), tag("DONE")))(input)
+        alt((
+            map(tag("TODO"), |capture| (TodoKeywordType::Todo, capture)),
+            map(tag("DONE"), |capture| (TodoKeywordType::Done, capture)),
+        ))(input)
     } else {
         for todo_keyword in global_settings
             .in_progress_todo_keywords
             .iter()
-            .chain(global_settings.complete_todo_keywords.iter())
             .map(String::as_str)
         {
             let result = tag::<_, _, CustomError<_>>(todo_keyword)(input);
             match result {
                 Ok((remaining, ent)) => {
-                    return Ok((remaining, ent));
+                    return Ok((remaining, (TodoKeywordType::Todo, ent)));
+                }
+                Err(_) => {}
+            }
+        }
+        for todo_keyword in global_settings
+            .complete_todo_keywords
+            .iter()
+            .map(String::as_str)
+        {
+            let result = tag::<_, _, CustomError<_>>(todo_keyword)(input);
+            match result {
+                Ok((remaining, ent)) => {
+                    return Ok((remaining, (TodoKeywordType::Done, ent)));
                 }
                 Err(_) => {}
             }
diff --git a/src/types/document.rs b/src/types/document.rs
index 957d7b9c..654377a9 100644
--- a/src/types/document.rs
+++ b/src/types/document.rs
@@ -13,7 +13,7 @@ pub struct Document<'s> {
 pub struct Heading<'s> {
     pub source: &'s str,
     pub stars: usize,
-    pub todo_keyword: Option<&'s str>,
+    pub todo_keyword: Option<(TodoKeywordType, &'s str)>,
     // TODO: add todo-type enum
     pub title: Vec<Object<'s>>,
     pub tags: Vec<&'s str>,
@@ -32,6 +32,12 @@ pub enum DocumentElement<'s> {
     Section(Section<'s>),
 }
 
+#[derive(Debug)]
+pub enum TodoKeywordType {
+    Todo,
+    Done,
+}
+
 impl<'s> Source<'s> for Document<'s> {
     fn get_source(&'s self) -> &'s str {
         self.source
diff --git a/src/types/mod.rs b/src/types/mod.rs
index 4ab8c174..efd1b047 100644
--- a/src/types/mod.rs
+++ b/src/types/mod.rs
@@ -8,6 +8,7 @@ pub use document::Document;
 pub use document::DocumentElement;
 pub use document::Heading;
 pub use document::Section;
+pub use document::TodoKeywordType;
 pub use element::Element;
 pub use greater_element::Drawer;
 pub use greater_element::DynamicBlock;