diff --git a/mm2src/lp_ordermatch.rs b/mm2src/lp_ordermatch.rs
index 7822782e0c..698eaeaca3 100644
--- a/mm2src/lp_ordermatch.rs
+++ b/mm2src/lp_ordermatch.rs
@@ -2922,7 +2922,7 @@ impl OrderbookItem {
         let rel_min_volume = min_vol_mm.clone().into();
 
         RpcOrderbookEntry {
-            coin: self.rel.clone(),
+            coin: self.base.clone(),
             address,
             price: price_mm.to_decimal(),
             price_rat: price_mm.to_ratio(),
diff --git a/mm2src/mm2_tests.rs b/mm2src/mm2_tests.rs
index 525b89cf47..8c5a2001fb 100644
--- a/mm2src/mm2_tests.rs
+++ b/mm2src/mm2_tests.rs
@@ -5556,6 +5556,7 @@ fn test_best_orders() {
 
     let best_morty_orders = response.result.get("MORTY").unwrap();
     assert_eq!(expected_price, best_morty_orders[0].price);
+    assert_eq!("MORTY", best_morty_orders[0].coin);
     assert_eq!(1, best_morty_orders.len());
 
     block_on(mm_bob.stop()).unwrap();