diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index 4b26de05a9..8df31e50bf 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -135,6 +135,7 @@ var (
 		utils.DeveloperFlag,
 		utils.DeveloperGasLimitFlag,
 		utils.DeveloperPeriodFlag,
+		utils.DeveloperAllocFlag,
 		utils.VMEnableDebugFlag,
 		utils.NetworkIdFlag,
 		utils.EthStatsURLFlag,
diff --git a/core/genesis.go b/core/genesis.go
index baace3f991..8360b46896 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -595,9 +595,27 @@ func DefaultHoleskyGenesisBlock() *Genesis {
 }
 
 // DeveloperGenesisBlock returns the 'geth --dev' genesis block.
-func DeveloperGenesisBlock(gasLimit uint64, faucet common.Address) *Genesis {
+func DeveloperGenesisBlock(gasLimit uint64, faucet common.Address, genesisAlloc *GenesisAlloc) *Genesis {
 	// Override the default period to the user requested one
 	config := *params.AllDevChainProtocolChanges
+	alloc := map[common.Address]GenesisAccount{
+		common.BytesToAddress([]byte{1}): {Balance: big.NewInt(1)}, // ECRecover
+		common.BytesToAddress([]byte{2}): {Balance: big.NewInt(1)}, // SHA256
+		common.BytesToAddress([]byte{3}): {Balance: big.NewInt(1)}, // RIPEMD
+		common.BytesToAddress([]byte{4}): {Balance: big.NewInt(1)}, // Identity
+		common.BytesToAddress([]byte{5}): {Balance: big.NewInt(1)}, // ModExp
+		common.BytesToAddress([]byte{6}): {Balance: big.NewInt(1)}, // ECAdd
+		common.BytesToAddress([]byte{7}): {Balance: big.NewInt(1)}, // ECScalarMul
+		common.BytesToAddress([]byte{8}): {Balance: big.NewInt(1)}, // ECPairing
+		common.BytesToAddress([]byte{9}): {Balance: big.NewInt(1)}, // BLAKE2b
+		faucet:                           {Balance: new(big.Int).Sub(new(big.Int).Lsh(big.NewInt(1), 256), big.NewInt(9))},
+	}
+
+	if genesisAlloc != nil {
+		for addr, account := range *genesisAlloc {
+			alloc[addr] = account
+		}
+	}
 
 	// Assemble and return the genesis with the precompiles and faucet pre-funded
 	return &Genesis{
@@ -605,18 +623,7 @@ func DeveloperGenesisBlock(gasLimit uint64, faucet common.Address) *Genesis {
 		GasLimit:   gasLimit,
 		BaseFee:    big.NewInt(params.InitialBaseFee),
 		Difficulty: big.NewInt(0),
-		Alloc: map[common.Address]GenesisAccount{
-			common.BytesToAddress([]byte{1}): {Balance: big.NewInt(1)}, // ECRecover
-			common.BytesToAddress([]byte{2}): {Balance: big.NewInt(1)}, // SHA256
-			common.BytesToAddress([]byte{3}): {Balance: big.NewInt(1)}, // RIPEMD
-			common.BytesToAddress([]byte{4}): {Balance: big.NewInt(1)}, // Identity
-			common.BytesToAddress([]byte{5}): {Balance: big.NewInt(1)}, // ModExp
-			common.BytesToAddress([]byte{6}): {Balance: big.NewInt(1)}, // ECAdd
-			common.BytesToAddress([]byte{7}): {Balance: big.NewInt(1)}, // ECScalarMul
-			common.BytesToAddress([]byte{8}): {Balance: big.NewInt(1)}, // ECPairing
-			common.BytesToAddress([]byte{9}): {Balance: big.NewInt(1)}, // BLAKE2b
-			faucet:                           {Balance: new(big.Int).Sub(new(big.Int).Lsh(big.NewInt(1), 256), big.NewInt(9))},
-		},
+		Alloc:      alloc,
 	}
 }