diff --git a/package.json b/package.json
index ebac765..2cb804b 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "0.62.20",
+  "version": "0.62.21",
   "versions": {
     "git": "0.62.6",
     "npm": "0.62.6"
diff --git a/packages/extension-base/src/background/handlers/Extension.ts b/packages/extension-base/src/background/handlers/Extension.ts
index c55e6e6..c415e12 100644
--- a/packages/extension-base/src/background/handlers/Extension.ts
+++ b/packages/extension-base/src/background/handlers/Extension.ts
@@ -29,6 +29,15 @@ const SEED_DEFAULT_LENGTH = 12;
 const SEED_LENGTHS = [12, 15, 18, 21, 24];
 const ETH_DERIVE_DEFAULT = "/m/44'/60'/0'/0/0";
 
+// PezkuwiChain custom signed extensions
+// AuthorizeCall is a no-op extension that must be present for signing to work
+const PEZKUWI_USER_EXTENSIONS: Record<string, { extrinsic: Record<string, string>; payload: Record<string, string> }> = {
+  AuthorizeCall: {
+    extrinsic: {},
+    payload: {}
+  }
+};
+
 function getSuri (seed: string, type?: KeypairType): string {
   return type === 'ethereum'
     ? `${seed}${ETH_DERIVE_DEFAULT}`
@@ -379,11 +388,15 @@ export default class Extension {
         const expanded = metadataExpand(metadata, false);
 
         registry = expanded.registry;
-        registry.setSignedExtensions(payload.signedExtensions, expanded.definition.userExtensions);
+        // Merge PezkuwiChain user extensions with any from metadata
+        const mergedUserExtensions = { ...PEZKUWI_USER_EXTENSIONS, ...expanded.definition.userExtensions };
+
+        registry.setSignedExtensions(payload.signedExtensions, mergedUserExtensions);
       } else {
         // we have no metadata, create a new registry
         registry = new TypeRegistry();
-        registry.setSignedExtensions(payload.signedExtensions);
+        // Always include PezkuwiChain user extensions for signing to work
+        registry.setSignedExtensions(payload.signedExtensions, PEZKUWI_USER_EXTENSIONS);
       }
     } else {
       // for non-payload, just create a registry to use
diff --git a/packages/extension/manifest_chrome.json b/packages/extension/manifest_chrome.json
index 977db58..c027028 100644
--- a/packages/extension/manifest_chrome.json
+++ b/packages/extension/manifest_chrome.json
@@ -2,8 +2,8 @@
   "author": "PezkuwiChain",
   "description": "Manage your Pezkuwi blockchain accounts outside of dapps. Injects the accounts and allows signing transactions for a specific account.",
   "homepage_url": "https://github.com/pezkuwichain/pezkuwi-extension",
-  "name": "pezkuwi.js",
-  "short_name": "pezkuwi.js",
+  "name": "pezkuwi{.js} extension",
+  "short_name": "pezkuwi{.js}",
   "manifest_version": 3,
   "permissions": ["storage", "tabs"],
   "background": {
@@ -11,7 +11,7 @@
     "type": "module"
   },
   "action": {
-    "default_title": "Pezkuwi Extension",
+    "default_title": "pezkuwi{.js} extension",
     "default_popup": "index.html"
   },
   "content_scripts": [{
@@ -39,5 +39,5 @@
   "content_security_policy": {
     "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
   },
-  "version": "0.62.20"
+  "version": "0.62.21"
 }
diff --git a/packages/extension/manifest_firefox.json b/packages/extension/manifest_firefox.json
index 5006f87..71fdc4e 100644
--- a/packages/extension/manifest_firefox.json
+++ b/packages/extension/manifest_firefox.json
@@ -2,8 +2,8 @@
   "author": "PezkuwiChain",
   "description": "Manage your Pezkuwi blockchain accounts outside of dapps. Injects the accounts and allows signing transactions for a specific account.",
   "homepage_url": "https://github.com/pezkuwichain/pezkuwi-extension",
-  "name": "pezkuwi.js",
-  "short_name": "pezkuwi.js",
+  "name": "pezkuwi{.js} extension",
+  "short_name": "pezkuwi{.js}",
   "manifest_version": 3,
   "permissions": ["storage", "tabs"],
   "background": {
@@ -11,7 +11,7 @@
     "type": "module"
   },
   "action": {
-    "default_title": "Pezkuwi Extension",
+    "default_title": "pezkuwi{.js} extension",
     "default_popup": "index.html"
   },
   "browser_specific_settings": {
@@ -48,5 +48,5 @@
   "content_security_policy": {
     "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
   },
-  "version": "0.62.20"
+  "version": "0.62.21"
 }
diff --git a/packages/extension/package.json b/packages/extension/package.json
index e4bd843..3eb5fcc 100644
--- a/packages/extension/package.json
+++ b/packages/extension/package.json
@@ -15,7 +15,7 @@
   },
   "sideEffects": false,
   "type": "module",
-  "version": "0.62.20",
+  "version": "0.62.21",
   "scripts": {
     "pezkuwi-exec-webpack": "pezkuwi-exec-webpack"
   },
diff --git a/packages/extension/src/packageInfo.ts b/packages/extension/src/packageInfo.ts
index b3d35cf..8581697 100644
--- a/packages/extension/src/packageInfo.ts
+++ b/packages/extension/src/packageInfo.ts
@@ -3,4 +3,4 @@
 
 // Do not edit, auto-generated by @pezkuwi/dev
 
-export const packageInfo = { name: '@pezkuwi/extension', path: 'auto', type: 'auto', version: '0.62.20' };
+export const packageInfo = { name: '@pezkuwi/extension', path: 'auto', type: 'auto', version: '0.62.21' };