diff --git a/market/v1/msg.proto b/market/v1/msg.proto
index 1a07ce7..d2572ce 100644
--- a/market/v1/msg.proto
+++ b/market/v1/msg.proto
@@ -20,7 +20,7 @@ message MarketOrder {
   MarketOrderStatus status = 9;
   int64 from = 10;
   wallet.v1.Commission  commission = 11;
-  float completed_amount = 12;
+  double completed_amount = 12;
   string created_at = 13;
   string updated_at = 14;
   bool is_public = 15;