diff --git a/test/e2e/btc_timestamping_e2e_test.go b/test/e2e/btc_timestamping_e2e_test.go
index 19890b9e8..8bfb0547a 100644
--- a/test/e2e/btc_timestamping_e2e_test.go
+++ b/test/e2e/btc_timestamping_e2e_test.go
@@ -283,13 +283,12 @@ func (s *BTCTimestampingTestSuite) Test6InterceptFeeCollector() {
 	// at the 1st block of an epoch, the gauge does not exist since incentive's BeginBlock
 	// at this block accumulates rewards for BTC timestamping gauge for the previous block
 	// need to wait for a block to ensure the gauge is created
-	var btcTimestampingGauge *itypes.Gauge
+	var btcTimestampingGauge *itypes.BTCTimestampingGaugeResponse
 	s.Eventually(func() bool {
 		btcTimestampingGauge, err = nonValidatorNode.QueryBTCTimestampingGauge(curEpoch)
 		if err != nil {
 			return false
 		}
-		btcTimestampingGauge = response.Gauge
 		s.T().Logf("BTC timestamping gauge at current epoch %d: %s", curEpoch, btcTimestampingGauge.String())
 		return !btcTimestampingGauge.Coins.Empty()
 	}, time.Second*10, time.Second)
diff --git a/test/e2e/configurer/chain/queries_incentive.go b/test/e2e/configurer/chain/queries_incentive.go
index 291c28dcb..21bd65716 100644
--- a/test/e2e/configurer/chain/queries_incentive.go
+++ b/test/e2e/configurer/chain/queries_incentive.go
@@ -64,5 +64,5 @@ func (n *NodeConfig) QueryBTCTimestampingGauge(epoch uint64) (*incentivetypes.BT
 		return nil, err
 	}
 
-	return resp.Gauge.Gauge, nil
+	return resp.Gauge, nil
 }