diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 21a517f4ca..807f2ecaa9 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -61,6 +61,7 @@ var GlobalFlags = []Flag{
 	DataDirFlag,
 	AncientDirFlag,
 	LogLevelFlag,
+	LogSizeFlag,
 }
 
 var NodeFlags = []Flag{
@@ -187,6 +188,12 @@ var (
 		Value:        "info",
 		Usage:        "log level (trace, debug, info, warn, error, fatal, panic)" + generateEnvDoc(c_GlobalFlagPrefix+"log-level"),
 	}
+
+	LogSizeFlag = Flag{
+		Name:  c_GlobalFlagPrefix + "log-size",
+		Value: 500,
+		Usage: "maximum log file size in MB before rolling (default = no limit)" + generateEnvDoc(c_GlobalFlagPrefix+"log-size"),
+	}
 )
 
 var (
diff --git a/cmd/utils/hierarchical_coordinator.go b/cmd/utils/hierarchical_coordinator.go
index 2251a8f6f5..fabaf6577e 100644
--- a/cmd/utils/hierarchical_coordinator.go
+++ b/cmd/utils/hierarchical_coordinator.go
@@ -12,6 +12,7 @@ import (
 	"github.com/dominant-strategies/go-quai/event"
 	"github.com/dominant-strategies/go-quai/log"
 	"github.com/dominant-strategies/go-quai/quai"
+	"github.com/spf13/viper"
 	"github.com/syndtr/goleveldb/leveldb"
 	"google.golang.org/protobuf/proto"
 )
@@ -146,7 +147,7 @@ func (hc *HierarchicalCoordinator) StartQuaiBackend() (*quai.QuaiBackend, error)
 
 func (hc *HierarchicalCoordinator) startNode(logPath string, quaiBackend quai.ConsensusAPI, location common.Location, genesisBlock *types.WorkObject) {
 	hc.wg.Add(1)
-	logger := log.NewLogger(logPath, hc.logLevel)
+	logger := log.NewLogger(logPath, hc.logLevel, viper.GetInt(LogSizeFlag.Name))
 	logger.Info("Starting Node at location", "location", location)
 	stack, apiBackend := makeFullNode(hc.p2p, location, hc.slicesRunning, hc.currentExpansionNumber, genesisBlock, logger)
 	quaiBackend.SetApiBackend(&apiBackend, location)
diff --git a/consensus/blake3pow/blake3pow.go b/consensus/blake3pow/blake3pow.go
index a0f520668e..2af58a8a3a 100644
--- a/consensus/blake3pow/blake3pow.go
+++ b/consensus/blake3pow/blake3pow.go
@@ -86,7 +86,7 @@ func New(config Config, notify []string, noverify bool, logger *log.Logger) *Bla
 // NewTester creates a small sized blake3pow PoW scheme useful only for testing
 // purposes.
 func NewTester(notify []string, noverify bool) *Blake3pow {
-	return New(Config{PowMode: ModeTest}, notify, noverify, log.NewLogger("test-blake3pow.log", "info"))
+	return New(Config{PowMode: ModeTest}, notify, noverify, log.NewLogger("test-blake3pow.log", "info", 500))
 }
 
 // NewFaker creates a blake3pow consensus engine with a fake PoW scheme that accepts
diff --git a/consensus/progpow/progpow.go b/consensus/progpow/progpow.go
index 990ee5f87b..6a63e995af 100644
--- a/consensus/progpow/progpow.go
+++ b/consensus/progpow/progpow.go
@@ -227,7 +227,7 @@ func New(config Config, notify []string, noverify bool, logger *log.Logger) *Pro
 // NewTester creates a small sized progpow PoW scheme useful only for testing
 // purposes.
 func NewTester(notify []string, noverify bool) *Progpow {
-	return New(Config{PowMode: ModeTest}, notify, noverify, log.NewLogger("test-progpow.log", "info"))
+	return New(Config{PowMode: ModeTest}, notify, noverify, log.NewLogger("test-progpow.log", "info", 500))
 }
 
 // NewFaker creates a progpow consensus engine with a fake PoW scheme that accepts
diff --git a/log/logger.go b/log/logger.go
index 6d4c85f460..7cdd182298 100644
--- a/log/logger.go
+++ b/log/logger.go
@@ -15,7 +15,7 @@ type Logger = logrus.Logger
 const (
 	// default log level
 	defaultLogLevel = logrus.InfoLevel
-	DebugLogLevel   = logrus.DebugLevel
+	defaultLogSize  = 500 // megabytes
 
 	// log file name
 	globalLogFileName = "global.log"
@@ -38,7 +38,7 @@ var (
 )
 
 func init() {
-	Global = createStandardLogger(defaultLogFilePath, defaultLogLevel.String(), true)
+	Global = createStandardLogger(defaultLogFilePath, defaultLogLevel.String(), 500, true)
 }
 
 func SetGlobalLogger(logFilename string, logLevel string) {
@@ -70,11 +70,11 @@ func SetGlobalLogger(logFilename string, logLevel string) {
 	}).Info("Global logger started")
 }
 
-func NewLogger(logFilename string, logLevel string) *logrus.Logger {
+func NewLogger(logFilename string, logLevel string, logSize int) *logrus.Logger {
 	if logFilename == "" {
 		logFilename = defaultLogFilePath
 	}
-	shardLogger := createStandardLogger(filepath.Join(logDir, logFilename), logLevel, false)
+	shardLogger := createStandardLogger(filepath.Join(logDir, logFilename), logLevel, logSize, false)
 	shardLogger.WithFields(Fields{
 		"path":  logFilename,
 		"level": logLevel,
@@ -82,11 +82,11 @@ func NewLogger(logFilename string, logLevel string) *logrus.Logger {
 	return shardLogger
 }
 
-func createStandardLogger(logFilename string, logLevel string, stdOut bool) *logrus.Logger {
+func createStandardLogger(logFilename string, logLevel string, logSize int, stdOut bool) *logrus.Logger {
 	logger := logrus.New()
 	output := &lumberjack.Logger{
 		Filename:   logFilename,
-		MaxSize:    500, // megabytes
+		MaxSize:    logSize, // megabytes
 		MaxBackups: 3,
 		MaxAge:     28, //days
 	}
diff --git a/p2p/node/peerManager/peerManager.go b/p2p/node/peerManager/peerManager.go
index 2c547f1c8c..48f5b2994a 100644
--- a/p2p/node/peerManager/peerManager.go
+++ b/p2p/node/peerManager/peerManager.go
@@ -177,7 +177,7 @@ func NewManager(ctx context.Context, low int, high int, datastore datastore.Data
 
 	ctx, cancel := context.WithCancel(ctx)
 
-	logger := log.NewLogger("peers.log", viper.GetString(utils.PeersLogLevelFlag.Name))
+	logger := log.NewLogger("peers.log", viper.GetString(utils.PeersLogLevelFlag.Name), viper.GetInt(utils.LogSizeFlag.Name))
 
 	go func() {
 		defer func() {
diff --git a/p2p/protocol/main_test.go b/p2p/protocol/main_test.go
index 6fd302d717..c5ea624bdc 100644
--- a/p2p/protocol/main_test.go
+++ b/p2p/protocol/main_test.go
@@ -5,11 +5,12 @@ import (
 	"testing"
 
 	"github.com/dominant-strategies/go-quai/log"
+	"github.com/sirupsen/logrus"
 )
 
 func TestMain(m *testing.M) {
 	// Comment / un comment below to see log output while testing
 	// log.ConfigureLogger(log.WithNullLogger())
-	log.Global.SetLevel(log.DebugLogLevel)
+	log.Global.SetLevel(logrus.DebugLevel)
 	os.Exit(m.Run())
 }