diff --git a/package.json b/package.json
index 58026d0..fcd6e9b 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,8 @@
     },
     "pnpm": {
         "patchedDependencies": {
-            "@ctrl/irc@2.1.0": "patches/@ctrl__irc@2.1.0.patch"
+            "@ctrl/irc@2.1.0": "patches/@ctrl__irc@2.1.0.patch",
+            "b4a@1.6.1": "patches/b4a@1.6.1.patch"
         }
     }
 }
diff --git a/patches/b4a@1.6.1.patch b/patches/b4a@1.6.1.patch
new file mode 100644
index 0000000..13e4b09
--- /dev/null
+++ b/patches/b4a@1.6.1.patch
@@ -0,0 +1,36 @@
+diff --git a/browser.js b/browser.js
+index e07f78d17b7b4a2963e4f0062047cc96e6025f9e..a9f266a2644f3f8ebd0f6684b3e11a7519059851 100644
+--- a/browser.js
++++ b/browser.js
+@@ -3,6 +3,7 @@ const base64 = require('./lib/base64')
+ const hex = require('./lib/hex')
+ const utf8 = require('./lib/utf8')
+ const utf16le = require('./lib/utf16le')
++const Buffer = require('buffer').Buffer
+ 
+ const LE = new Uint8Array(Uint16Array.of(0xff).buffer)[0] === 0xff
+ 
+diff --git a/index.js b/index.js
+index a751d6b4d27c7dd903efbfdc87a98f61044a62b8..8bd32640afdcfbc475168d458c51f8b9162d1656 100644
+--- a/index.js
++++ b/index.js
+@@ -1,3 +1,5 @@
++const Buffer = require('buffer').Buffer
++
+ function isBuffer (value) {
+   return Buffer.isBuffer(value) || value instanceof Uint8Array
+ }
+diff --git a/package.json b/package.json
+index eb0f792709b27e66f26658054781b4099507b5ed..69c4ff39c48b0bdd5f0bc7ebbade517e7c5d76e4 100644
+--- a/package.json
++++ b/package.json
+@@ -8,9 +8,6 @@
+     "index.js",
+     "lib"
+   ],
+-  "browser": {
+-    "./index.js": "./browser.js"
+-  },
+   "scripts": {
+     "test": "standard && brittle test/*.mjs"
+   },
\ No newline at end of file
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e43dcf5..f5d3bdb 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -4,6 +4,9 @@ patchedDependencies:
   '@ctrl/irc@2.1.0':
     hash: jf4eywzpsmufg67tj3fpgxwdgi
     path: patches/@ctrl__irc@2.1.0.patch
+  b4a@1.6.1:
+    hash: fr4ta77ibyz2skijgsggfq2lxa
+    path: patches/b4a@1.6.1.patch
 
 specifiers:
   '@ctrl/irc': 2.1.0
@@ -361,9 +364,10 @@ packages:
       - debug
     dev: true
 
-  /b4a/1.6.1:
+  /b4a/1.6.1_fr4ta77ibyz2skijgsggfq2lxa:
     resolution: {integrity: sha512-AsKjNhz72yxteo/0EtQEiwkMUgk/tGmycXlbG4g3Ard2/ULtNLUykGOkeK0egmN27h0xMAhb76jYccW+XTBExA==}
     dev: false
+    patched: true
 
   /base32-decode/1.0.0:
     resolution: {integrity: sha512-KNWUX/R7wKenwE/G/qFMzGScOgVntOmbE27vvc6GrniDGYb6a5+qWcuoXl8WIOQL7q0TpK7nZDm1Y04Yi3Yn5g==}
@@ -1066,7 +1070,7 @@ packages:
       '@lumeweb/peer-discovery': git.lumeweb.com/LumeWeb/peer-discovery/d2bd926275103d60fdd3c7c432eae5c278f49261
       '@noble/ed25519': 1.7.1
       '@noble/hashes': 1.1.5
-      b4a: 1.6.1
+      b4a: 1.6.1_fr4ta77ibyz2skijgsggfq2lxa
       json-stringify-deterministic: 1.0.8
     transitivePeerDependencies:
       - supports-color
@@ -1077,5 +1081,5 @@ packages:
     name: '@lumeweb/peer-discovery'
     version: 0.1.0
     dependencies:
-      b4a: 1.6.1
+      b4a: 1.6.1_fr4ta77ibyz2skijgsggfq2lxa
     dev: false