diff --git a/cmd/geth/chaincmd.go b/cmd/geth/chaincmd.go
index fafdfe2f07..acd7b5c230 100644
--- a/cmd/geth/chaincmd.go
+++ b/cmd/geth/chaincmd.go
@@ -58,7 +58,7 @@ var (
 		ArgsUsage: "<genesisPath>",
 		Flags: slices.Concat([]cli.Flag{
 			utils.CachePreimagesFlag,
-			utils.OverridePrague,
+			utils.OverrideOsaka,
 			utils.OverrideVerkle,
 		}, utils.DatabaseFlags),
 		Description: `
@@ -269,9 +269,9 @@ func initGenesis(ctx *cli.Context) error {
 	defer stack.Close()
 
 	var overrides core.ChainOverrides
-	if ctx.IsSet(utils.OverridePrague.Name) {
-		v := ctx.Uint64(utils.OverridePrague.Name)
-		overrides.OverridePrague = &v
+	if ctx.IsSet(utils.OverrideOsaka.Name) {
+		v := ctx.Uint64(utils.OverrideOsaka.Name)
+		overrides.OverrideOsaka = &v
 	}
 	if ctx.IsSet(utils.OverrideVerkle.Name) {
 		v := ctx.Uint64(utils.OverrideVerkle.Name)
diff --git a/cmd/geth/config.go b/cmd/geth/config.go
index 3eb2b6dd37..fff1a67cef 100644
--- a/cmd/geth/config.go
+++ b/cmd/geth/config.go
@@ -223,9 +223,9 @@ func constructDevModeBanner(ctx *cli.Context, cfg gethConfig) string {
 // makeFullNode loads geth configuration and creates the Ethereum backend.
 func makeFullNode(ctx *cli.Context) *node.Node {
 	stack, cfg := makeConfigNode(ctx)
-	if ctx.IsSet(utils.OverridePrague.Name) {
-		v := ctx.Uint64(utils.OverridePrague.Name)
-		cfg.Eth.OverridePrague = &v
+	if ctx.IsSet(utils.OverrideOsaka.Name) {
+		v := ctx.Uint64(utils.OverrideOsaka.Name)
+		cfg.Eth.OverrideOsaka = &v
 	}
 	if ctx.IsSet(utils.OverrideVerkle.Name) {
 		v := ctx.Uint64(utils.OverrideVerkle.Name)
diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index 289af90828..2da5c43216 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -62,7 +62,7 @@ var (
 		utils.NoUSBFlag, // deprecated
 		utils.USBFlag,
 		utils.SmartCardDaemonPathFlag,
-		utils.OverridePrague,
+		utils.OverrideOsaka,
 		utils.OverrideVerkle,
 		utils.EnablePersonal, // deprecated
 		utils.TxPoolLocalsFlag,
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 3747e2c70b..ed594e40bd 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -243,9 +243,9 @@ var (
 		Value:    2048,
 		Category: flags.EthCategory,
 	}
-	OverridePrague = &cli.Uint64Flag{
-		Name:     "override.prague",
-		Usage:    "Manually specify the Prague fork timestamp, overriding the bundled setting",
+	OverrideOsaka = &cli.Uint64Flag{
+		Name:     "override.osaka",
+		Usage:    "Manually specify the Osaka fork timestamp, overriding the bundled setting",
 		Category: flags.EthCategory,
 	}
 	OverrideVerkle = &cli.Uint64Flag{
diff --git a/core/genesis.go b/core/genesis.go
index 080f8a3c5f..f1a620da57 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -258,7 +258,7 @@ func (e *GenesisMismatchError) Error() string {
 
 // ChainOverrides contains the changes to chain config.
 type ChainOverrides struct {
-	OverridePrague *uint64
+	OverrideOsaka  *uint64
 	OverrideVerkle *uint64
 }
 
@@ -267,8 +267,8 @@ func (o *ChainOverrides) apply(cfg *params.ChainConfig) error {
 	if o == nil || cfg == nil {
 		return nil
 	}
-	if o.OverridePrague != nil {
-		cfg.PragueTime = o.OverridePrague
+	if o.OverrideOsaka != nil {
+		cfg.OsakaTime = o.OverrideOsaka
 	}
 	if o.OverrideVerkle != nil {
 		cfg.VerkleTime = o.OverrideVerkle
diff --git a/eth/backend.go b/eth/backend.go
index 4b08707d2f..8f2b803c86 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -253,8 +253,8 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 	}
 	// Override the chain config with provided settings.
 	var overrides core.ChainOverrides
-	if config.OverridePrague != nil {
-		overrides.OverridePrague = config.OverridePrague
+	if config.OverrideOsaka != nil {
+		overrides.OverrideOsaka = config.OverrideOsaka
 	}
 	if config.OverrideVerkle != nil {
 		overrides.OverrideVerkle = config.OverrideVerkle
diff --git a/eth/ethconfig/config.go b/eth/ethconfig/config.go
index b6029d4974..97d23744a0 100644
--- a/eth/ethconfig/config.go
+++ b/eth/ethconfig/config.go
@@ -158,8 +158,8 @@ type Config struct {
 	// send-transaction variants. The unit is ether.
 	RPCTxFeeCap float64
 
-	// OverridePrague (TODO: remove after the fork)
-	OverridePrague *uint64 `toml:",omitempty"`
+	// OverrideOsaka (TODO: remove after the fork)
+	OverrideOsaka *uint64 `toml:",omitempty"`
 
 	// OverrideVerkle (TODO: remove after the fork)
 	OverrideVerkle *uint64 `toml:",omitempty"`
diff --git a/eth/ethconfig/gen_config.go b/eth/ethconfig/gen_config.go
index 05f07178ac..0a188ba23c 100644
--- a/eth/ethconfig/gen_config.go
+++ b/eth/ethconfig/gen_config.go
@@ -54,7 +54,7 @@ func (c Config) MarshalTOML() (interface{}, error) {
 		RPCGasCap               uint64
 		RPCEVMTimeout           time.Duration
 		RPCTxFeeCap             float64
-		OverridePrague          *uint64 `toml:",omitempty"`
+		OverrideOsaka           *uint64 `toml:",omitempty"`
 		OverrideVerkle          *uint64 `toml:",omitempty"`
 	}
 	var enc Config
@@ -95,7 +95,7 @@ func (c Config) MarshalTOML() (interface{}, error) {
 	enc.RPCGasCap = c.RPCGasCap
 	enc.RPCEVMTimeout = c.RPCEVMTimeout
 	enc.RPCTxFeeCap = c.RPCTxFeeCap
-	enc.OverridePrague = c.OverridePrague
+	enc.OverrideOsaka = c.OverrideOsaka
 	enc.OverrideVerkle = c.OverrideVerkle
 	return &enc, nil
 }
@@ -140,7 +140,7 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 		RPCGasCap               *uint64
 		RPCEVMTimeout           *time.Duration
 		RPCTxFeeCap             *float64
-		OverridePrague          *uint64 `toml:",omitempty"`
+		OverrideOsaka           *uint64 `toml:",omitempty"`
 		OverrideVerkle          *uint64 `toml:",omitempty"`
 	}
 	var dec Config
@@ -258,8 +258,8 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
 	if dec.RPCTxFeeCap != nil {
 		c.RPCTxFeeCap = *dec.RPCTxFeeCap
 	}
-	if dec.OverridePrague != nil {
-		c.OverridePrague = dec.OverridePrague
+	if dec.OverrideOsaka != nil {
+		c.OverrideOsaka = dec.OverrideOsaka
 	}
 	if dec.OverrideVerkle != nil {
 		c.OverrideVerkle = dec.OverrideVerkle