diff --git a/indexer/abci_test.go b/indexer/abci_test.go
index 8e4b584..96d832a 100644
--- a/indexer/abci_test.go
+++ b/indexer/abci_test.go
@@ -68,7 +68,9 @@ func Test_ListenFinalizeBlock_Subscribe(t *testing.T) {
 	defer app.Close()
 
 	blockChan, logsChan, pendChan := indexer.Subscribe()
-	close(pendChan)
+	defer close(blockChan)
+	defer close(logsChan)
+	defer close(pendChan)
 
 	tx, evmTxHash := tests.GenerateCreateERC20Tx(t, app, privKeys[0])
 
diff --git a/indexer/mempool_test.go b/indexer/mempool_test.go
index 9d0a67a..7fe1bd5 100644
--- a/indexer/mempool_test.go
+++ b/indexer/mempool_test.go
@@ -17,8 +17,9 @@ func Test_Mempool_Subscribe(t *testing.T) {
 	defer app.Close()
 
 	blockChan, logsChan, pendChan := indexer.Subscribe()
-	close(blockChan)
-	close(logsChan)
+	defer close(blockChan)
+	defer close(logsChan)
+	defer close(pendChan)
 
 	tx, evmTxHash := tests.GenerateCreateERC20Tx(t, app, privKeys[0])