diff --git a/config/config.go b/config/config.go
index ebf08bc..b8968d4 100644
--- a/config/config.go
+++ b/config/config.go
@@ -91,7 +91,7 @@ func Get() (*Config, error) {
 		overrideExchangeSymbolsMap := map[string]map[string]string{}
 		err := json.Unmarshal([]byte(overrideExchangeSymbolsMapJson), &overrideExchangeSymbolsMap)
 		if err != nil {
-			return nil, fmt.Errorf("failed to parse EXCHANGE_SYMBOLS_MAP: invalid json")
+			return nil, fmt.Errorf("failed to parse EXCHANGE_SYMBOLS_MAP: %w", err)
 		}
 		for exchange, symbolMap := range overrideExchangeSymbolsMap {
 			conf.ExchangesToPairToSymbolMap[exchange] = map[asset.Pair]types.Symbol{}
diff --git a/config/config_test.go b/config/config_test.go
index e1de059..d7afc1d 100644
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -26,7 +26,7 @@ func TestConfig_Get(t *testing.T) {
 }
 
 func TestConfig_Without_EXCHANGE_SYMBOLS_MAP(t *testing.T) {
-
+   os.Unsetenv("EXCHANGE_SYMBOLS_MAP")
 	os.Setenv("CHAIN_ID", "nibiru-localnet-0")
 	os.Setenv("GRPC_ENDPOINT", "localhost:9090")
 	os.Setenv("WEBSOCKET_ENDPOINT", "ws://localhost:26657/websocket")