diff --git a/src/compare.rs b/src/compare.rs
index b238941..049ae66 100644
--- a/src/compare.rs
+++ b/src/compare.rs
@@ -181,12 +181,14 @@ where
                 (Some(u), None) => {
                     return u
                         .into_iter()
+                        .sorted_by_key(|(k, _)| *k)
                         .map(|(k, v)| [Some(text(k).into()), float_text(v), None, None])
                         .collect();
                 }
                 (None, Some(u)) => {
                     return u
                         .into_iter()
+                        .sorted_by_key(|(k, _)| *k)
                         .map(|(k, v)| [Some(text(k).into()), None, None, float_text(v)])
                         .collect();
                 }