diff --git a/cmd/rddl-prometheus-exporter/gauges.go b/cmd/rddl-prometheus-exporter/gauges.go
index 8bca112..f849329 100644
--- a/cmd/rddl-prometheus-exporter/gauges.go
+++ b/cmd/rddl-prometheus-exporter/gauges.go
@@ -43,7 +43,7 @@ func registerGauges(ctx context.Context, logger *log.Logger, cfg *config.Config)
 	for _, wallet := range wallets {
 		wallet := strings.TrimSpace(wallet)
 		sanitizedWallet := strings.ReplaceAll(wallet, "-", "_")
-		logger.Printf("registering gauge for wallet: " + wallet)
+		logger.Print("registering gauge for wallet: " + wallet)
 		setGauge("balance_"+sanitizedWallet, "Bitcoin balance for network relevant wallet: "+wallet, "elementsd", "wallets", func() float64 {
 			url := cfg.GetElementsURL(wallet)
 			balance, err := elements.GetWalletBalance(url, wallet)
diff --git a/go.mod b/go.mod
index 21b90c8..9f64fb0 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,6 @@ go 1.21.5
 require (
 	github.com/coreos/go-systemd/v22 v22.3.2
 	github.com/cosmos/cosmos-sdk v0.47.8
-	github.com/planetmint/planetmint-go v0.11.0
 	github.com/prometheus/client_golang v1.14.0
 	github.com/rddl-network/elements-rpc v1.1.0
 	github.com/spf13/viper v1.16.0
@@ -89,6 +88,7 @@ require (
 	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
 	github.com/petermattis/goid v0.0.0-20230317030725-371a4b8eda08 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	github.com/planetmint/planetmint-go v0.11.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus/client_model v0.3.0 // indirect
 	github.com/prometheus/common v0.42.0 // indirect
diff --git a/go.sum b/go.sum
index 8ce2557..d3fbdd6 100644
--- a/go.sum
+++ b/go.sum
@@ -345,8 +345,8 @@ github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/planetmint/planetmint-go v0.11.0 h1:d7G2mNl49f6zUCvAJNRWyXTdFLEdpTjslNY1TRMJDc4=
-github.com/planetmint/planetmint-go v0.11.0/go.mod h1:hhLYp/3EAP4ruiMLY1hZIjIz/0lrfut1ZuhxKlEt7QM=
+github.com/planetmint/planetmint-go v0.11.1 h1:9gxa2W4BZCFXfP5uclcmkOOFNCVkC23T7F25U8mFY0w=
+github.com/planetmint/planetmint-go v0.11.1/go.mod h1:hhLYp/3EAP4ruiMLY1hZIjIz/0lrfut1ZuhxKlEt7QM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
diff --git a/system/unit.go b/system/unit.go
index 2f16711..df033e9 100644
--- a/system/unit.go
+++ b/system/unit.go
@@ -14,7 +14,9 @@ func CheckUnitActiveState(ctx context.Context, unit string) float64 {
 	conn, err := dbus.NewWithContext(ctx)
 	if err != nil {
 		logger.Print(err)
-		conn.Close()
+		if conn != nil {
+			conn.Close()
+		}
 		return 0
 	}
 	defer conn.Close()