diff --git a/src/compare/diff.rs b/src/compare/diff.rs
index d948d494..8d99fd8f 100644
--- a/src/compare/diff.rs
+++ b/src/compare/diff.rs
@@ -1172,9 +1172,20 @@ fn compare_footnote_definition<'b, 's>(
 ) -> Result<DiffEntry<'b, 's>, Box<dyn std::error::Error>> {
     let children = emacs.as_list()?;
     let mut child_status = Vec::new();
-    let this_status = DiffStatus::Good;
-    let message = None;
-    // TODO: Compare :label :pre-blank
+    let mut this_status = DiffStatus::Good;
+    let mut message = None;
+    // TODO: Compare :pre-blank
+
+    // Compare label
+    let label = get_property_quoted_string(emacs, ":label")?
+        .ok_or("Footnote definitions should have a name.")?;
+    if label != rust.label {
+        this_status = DiffStatus::Bad;
+        message = Some(format!(
+            "Label mismatch (emacs != rust) {:?} != {:?}",
+            label, rust.label
+        ));
+    }
 
     for (emacs_child, rust_child) in children.iter().skip(2).zip(rust.children.iter()) {
         child_status.push(compare_ast_node(source, emacs_child, rust_child.into())?);