diff --git a/.gitignore b/.gitignore
index 177b87f..3c737af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
-.vscode
 node_modules
 /dist
 /dist-docs
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..baff025
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+	"editor.defaultFormatter": "dbaeumer.vscode-eslint"
+}
diff --git a/package-lock.json b/package-lock.json
index 636b339..63780a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mediabunny",
-  "version": "1.11.1",
+  "version": "1.11.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "mediabunny",
-      "version": "1.11.1",
+      "version": "1.11.2",
       "license": "MPL-2.0",
       "workspaces": [
         "packages/*"
@@ -5900,9 +5900,9 @@
       }
     },
     "node_modules/mediabunny": {
-      "version": "1.11.0",
-      "resolved": "https://registry.npmjs.org/mediabunny/-/mediabunny-1.11.0.tgz",
-      "integrity": "sha512-bdLAnfG5Bx6G8DJeHYWLu3/pzvNfA0fpo3yG/58EzUBLwbOLSYYQdzK/3T6D0l1nclAtvfuVJS19YEAWZF8K1Q==",
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/mediabunny/-/mediabunny-1.11.1.tgz",
+      "integrity": "sha512-UsoLZi9aHcQWMHsQF0Y4xSREy2eByFvHRjK3kmvfuaYDHPiqsj0tN6HE+daSzr+WHUh98pFlu2XKXwzBp2AHcQ==",
       "license": "MPL-2.0",
       "peer": true,
       "workspaces": [
@@ -9017,7 +9017,7 @@
     },
     "packages/mp3-encoder": {
       "name": "@mediabunny/mp3-encoder",
-      "version": "1.11.1",
+      "version": "1.11.2",
       "license": "MPL-2.0",
       "devDependencies": {
         "@types/emscripten": "^1.40.1"
diff --git a/package.json b/package.json
index 0e28f65..2072d8d 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mediabunny",
   "author": "Vanilagy",
-  "version": "1.11.1",
+  "version": "1.11.2",
   "description": "Pure TypeScript media toolkit for reading, writing, and converting media files, directly in the browser.",
   "type": "module",
   "workspaces": [
diff --git a/packages/mp3-encoder/package.json b/packages/mp3-encoder/package.json
index 63591fe..6109b80 100644
--- a/packages/mp3-encoder/package.json
+++ b/packages/mp3-encoder/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@mediabunny/mp3-encoder",
   "author": "Vanilagy",
-  "version": "1.11.1",
+  "version": "1.11.2",
   "description": "MP3 encoder extension for Mediabunny, based on LAME.",
   "main": "./dist/bundles/mediabunny-mp3-encoder.mjs",
   "module": "./dist/bundles/mediabunny-mp3-encoder.mjs",
diff --git a/src/conversion.ts b/src/conversion.ts
index aa19d47..014a6bd 100644
--- a/src/conversion.ts
+++ b/src/conversion.ts
@@ -37,7 +37,15 @@ import {
 	VideoSampleSource,
 	AudioSampleSource,
 } from './media-source';
-import { assert, clamp, isIso639Dash2LanguageCode, MaybePromise, normalizeRotation, promiseWithResolvers, Rotation } from './misc';
+import {
+	assert,
+	clamp,
+	isIso639Dash2LanguageCode,
+	MaybePromise,
+	normalizeRotation,
+	promiseWithResolvers,
+	Rotation,
+} from './misc';
 import { Output, TrackType } from './output';
 import { AudioSample, VideoSample } from './sample';
 
diff --git a/src/matroska/matroska-demuxer.ts b/src/matroska/matroska-demuxer.ts
index a1f4b37..e044c59 100644
--- a/src/matroska/matroska-demuxer.ts
+++ b/src/matroska/matroska-demuxer.ts
@@ -1014,7 +1014,10 @@ export class MatroskaDemuxer extends Demuxer {
 
 			case EBMLId.Language: {
 				if (!this.currentTrack) break;
-				if (this.currentTrack.languageCode) break; // LanguageBCP47 was present, which takes precedence
+				if (this.currentTrack.languageCode !== UNDETERMINED_LANGUAGE) {
+					// LanguageBCP47 was present, which takes precedence
+					break;
+				}
 
 				this.currentTrack.languageCode = reader.readAsciiString(size);