diff --git a/cmd/puppeth/wizard_genesis.go b/cmd/puppeth/wizard_genesis.go
index 0828f257f7..ae9b0b5af0 100644
--- a/cmd/puppeth/wizard_genesis.go
+++ b/cmd/puppeth/wizard_genesis.go
@@ -112,6 +112,33 @@ func (w *wizard) makeGenesis() {
 			ProducerDelay:    5,
 			Epoch:            30000,
 		}
+
+		// We also need the initial list of signers
+		fmt.Println()
+		fmt.Println("Which accounts are allowed to seal? (mandatory at least one)")
+
+		var signers []common.Address
+		for {
+			if address := w.readAddress(); address != nil {
+				signers = append(signers, *address)
+				continue
+			}
+			if len(signers) > 0 {
+				break
+			}
+		}
+		// Sort the signers and embed into the extra-data section
+		for i := 0; i < len(signers); i++ {
+			for j := i + 1; j < len(signers); j++ {
+				if bytes.Compare(signers[i][:], signers[j][:]) > 0 {
+					signers[i], signers[j] = signers[j], signers[i]
+				}
+			}
+		}
+		genesis.ExtraData = make([]byte, 32+len(signers)*common.AddressLength+65)
+		for i, signer := range signers {
+			copy(genesis.ExtraData[32+i*common.AddressLength:], signer[:])
+		}
 	default:
 		log.Crit("Invalid consensus engine choice", "choice", choice)
 	}