diff --git a/x/streampay/keeper/msg_server_test.go b/x/streampay/keeper/msg_server_test.go
index 7540fc3..f026704 100644
--- a/x/streampay/keeper/msg_server_test.go
+++ b/x/streampay/keeper/msg_server_test.go
@@ -65,14 +65,14 @@ func (suite *KeeperTestSuite) TestStreamSendMsg() {
 			duration:              time.Second * 100,
 			periods:               nil,
 			cancellable:           false,
-			paymentFee:            sdk.Coin{"", sdk.NewInt(-1)},
+			paymentFee:            sdk.Coin{Denom: "", Amount: sdk.NewInt(-1)},
 			valid:                 false,
 			expectedMessageEvents: 0,
 		},
 		{
 			sender:                suite.TestAccs[0].String(),
 			recipient:             suite.TestAccs[1].String(),
-			amount:                sdk.Coin{"", sdk.NewInt(-1)},
+			amount:                sdk.Coin{Denom: "", Amount: sdk.NewInt(-1)},
 			streamType:            types.TypeContinuous,
 			duration:              time.Second * 100,
 			periods:               nil,