diff --git a/cmd/main.go b/cmd/main.go
index 3a30cd7..959716f 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -62,7 +62,7 @@ func main() {
 		Brain:             brain,
 		Notifier:          notifier,
 		Dappmanager:       dappmanager,
-		PollInterval:      1 * time.Minute,
+		PollInterval:      time.Duration(cfg.PollIntervalSeconds) * time.Second,
 		SlashedNotified:   make(map[domain.ValidatorIndex]bool),
 		PreviouslyAllLive: true, // assume all validators were live at start
 		PreviouslyOffline: false,
diff --git a/internal/config/config_loader.go b/internal/config/config_loader.go
index b2b083c..0c4a1ce 100644
--- a/internal/config/config_loader.go
+++ b/internal/config/config_loader.go
@@ -3,26 +3,28 @@ package config
 import (
 	"fmt"
 	"os"
+	"strconv"
 	"strings"
 
 	"github.com/dappnode/validator-tracker/internal/logger"
 )
 
 type Config struct {
-	BeaconEndpoint     string
-	Web3SignerEndpoint string
-	Network            string
-	SignerDnpName      string
-	BeaconchaUrl       string
-	DappmanagerUrl     string
-	NotifierUrl        string
-	BrainUrl           string
+	BeaconEndpoint      string
+	Web3SignerEndpoint  string
+	Network             string
+	SignerDnpName       string
+	BeaconchaUrl        string
+	DappmanagerUrl      string
+	NotifierUrl         string
+	BrainUrl            string
+	PollIntervalSeconds int
 }
 
 func LoadConfig() Config {
 	network := os.Getenv("NETWORK")
 	if network == "" {
-		network = "hoodi" // default
+		network = "mainnet"
 	}
 
 	// Build the dynamic endpoints
@@ -49,6 +51,21 @@ func LoadConfig() Config {
 		brainEndpoint = envBrain
 	}
 
+	// Load poll interval for duties checker
+	var pollIntervalSeconds int
+	if network == "gnosis" {
+		pollIntervalSeconds = 30 // default to 30 seconds for gnosis
+	} else {
+		pollIntervalSeconds = 60 // default to 60 seconds for other networks
+	}
+	if envPollInterval := os.Getenv("DUTIES_CHECKER_POLL_INTERVAL_SECONDS"); envPollInterval != "" {
+		if parsed, err := strconv.Atoi(envPollInterval); err == nil && parsed > 0 {
+			pollIntervalSeconds = parsed
+		} else {
+			logger.Warn("Invalid DUTIES_CHECKER_POLL_INTERVAL_SECONDS value '%s', using default %d seconds", envPollInterval, pollIntervalSeconds)
+		}
+	}
+
 	// Normalize network name for logs
 	network = strings.ToLower(network)
 	if network != "hoodi" && network != "holesky" && network != "mainnet" && network != "gnosis" && network != "lukso" {
@@ -80,13 +97,14 @@ func LoadConfig() Config {
 	}
 
 	return Config{
-		BeaconEndpoint:     beaconEndpoint,
-		Web3SignerEndpoint: web3SignerEndpoint,
-		Network:            network,
-		SignerDnpName:      dnpName,
-		BeaconchaUrl:       beaconchaUrl,
-		DappmanagerUrl:     dappmanagerEndpoint,
-		NotifierUrl:        notifierEndpoint,
-		BrainUrl:           brainEndpoint,
+		BeaconEndpoint:      beaconEndpoint,
+		Web3SignerEndpoint:  web3SignerEndpoint,
+		Network:             network,
+		SignerDnpName:       dnpName,
+		BeaconchaUrl:        beaconchaUrl,
+		DappmanagerUrl:      dappmanagerEndpoint,
+		NotifierUrl:         notifierEndpoint,
+		BrainUrl:            brainEndpoint,
+		PollIntervalSeconds: pollIntervalSeconds,
 	}
 }