diff --git a/event.go b/event.go
index eb8cd05..319ed38 100644
--- a/event.go
+++ b/event.go
@@ -48,6 +48,11 @@ example:
 			Name:  "connect",
 			Usage: "sign event using NIP-46, expects a bunker://... URL",
 		},
+		&cli.StringFlag{
+			Name:        "connect-as",
+			Usage:       "private key to when communicating with the bunker given on --connect",
+			DefaultText: "a random key",
+		},
 		&cli.BoolFlag{
 			Name:  "envelope",
 			Usage: "print the event enveloped in a [\"EVENT\", ...] message ready to be sent to a relay",
diff --git a/helpers.go b/helpers.go
index 6a2ce76..3b8f015 100644
--- a/helpers.go
+++ b/helpers.go
@@ -134,7 +134,12 @@ func gatherSecretKeyOrBunkerFromArguments(c *cli.Context) (string, *nip46.Bunker
 	var err error
 
 	if bunkerURL := c.String("connect"); bunkerURL != "" {
-		clientKey := nostr.GeneratePrivateKey()
+		clientKey := c.String("connect-as")
+		if clientKey != "" {
+			clientKey = strings.Repeat("0", 64-len(clientKey)) + clientKey
+		} else {
+			clientKey = nostr.GeneratePrivateKey()
+		}
 		bunker, err := nip46.ConnectBunker(c.Context, clientKey, bunkerURL, nil)
 		return "", bunker, err
 	}
diff --git a/req.go b/req.go
index 5801b39..aceb9ff 100644
--- a/req.go
+++ b/req.go
@@ -117,6 +117,11 @@ example:
 			Name:  "connect",
 			Usage: "sign AUTH using NIP-46, expects a bunker://... URL",
 		},
+		&cli.StringFlag{
+			Name:        "connect-as",
+			Usage:       "private key to when communicating with the bunker given on --connect",
+			DefaultText: "a random key",
+		},
 	},
 	ArgsUsage: "[relay...]",
 	Action: func(c *cli.Context) error {