diff --git a/data/refdata/instruments.cfg b/data/refdata/instruments.cfg
index 86e0f2f..15a24ac 100644
--- a/data/refdata/instruments.cfg
+++ b/data/refdata/instruments.cfg
@@ -267,7 +267,7 @@
     , "PAIR-XLM-USD": {
         "base_asset": "XLM",
         "quote_asset": "USD",
-        "quantity_precision": "1",
+        "quantity_precision": "0.00000001",
         "price_tick": 0.000001
     }
     , "PAIR-XLM-USDT": {