diff --git a/crates/device/src/lib.rs b/crates/device/src/lib.rs
index 5120b8d..b3de8e0 100644
--- a/crates/device/src/lib.rs
+++ b/crates/device/src/lib.rs
@@ -611,7 +611,6 @@ impl DeviceRegistry {
     fn approve(&mut self, event: &Event, window: &mut Window, cx: &mut Context<Self>) {
         let nostr = NostrRegistry::global(cx);
         let client = nostr.read(cx).client();
-        let signer = nostr.read(cx).signer();
 
         // Get user's write relays
         let event = event.clone();
@@ -631,14 +630,14 @@ impl DeviceRegistry {
                 .context("Target is not a valid public key")?;
 
             // Encrypt the device keys with the user's signer
-            let payload = signer.nip44_encrypt(&target, &secret).await?;
+            let payload = keys.nip44_encrypt(&target, &secret).await?;
 
             // Construct the response event
             //
             // P tag: the current device's public key
             // p tag: the requester's public key
             let builder = EventBuilder::new(Kind::Custom(4455), payload).tags(vec![
-                Tag::custom(TagKind::custom("P"), vec![keys.public_key()]),
+                Tag::custom(TagKind::custom("P"), vec![keys.public_key().to_hex()]),
                 Tag::public_key(target),
             ]);