diff --git a/public/global.d.ts b/public/global.d.ts
index f6935383d..dc4f28f51 100644
--- a/public/global.d.ts
+++ b/public/global.d.ts
@@ -40,4 +40,12 @@ declare global {
             searchInputCssClass?: string;
         }
     }
+
+    /**
+     * Translates a text to a target language using a translation provider.
+     * @param text Text to translate
+     * @param lang Target language
+     * @param provider Translation provider
+     */
+    async function translate(text: string, lang: string, provider: string = null): Promise<string>;
 }
diff --git a/public/scripts/extensions/expressions/index.js b/public/scripts/extensions/expressions/index.js
index 6e68deb66..9faa16215 100644
--- a/public/scripts/extensions/expressions/index.js
+++ b/public/scripts/extensions/expressions/index.js
@@ -929,8 +929,8 @@ export async function getExpressionLabel(text, expressionsApi = extension_settin
         return extension_settings.expressions.fallback_expression;
     }
 
-    if (extension_settings.expressions.translate && typeof window['translate'] === 'function') {
-        text = await window['translate'](text, 'en');
+    if (extension_settings.expressions.translate && typeof globalThis.translate === 'function') {
+        text = await globalThis.translate(text, 'en');
     }
 
     text = sampleClassifyText(text);
diff --git a/public/scripts/extensions/translate/index.js b/public/scripts/extensions/translate/index.js
index 1f01f1913..ee89f86f0 100644
--- a/public/scripts/extensions/translate/index.js
+++ b/public/scripts/extensions/translate/index.js
@@ -605,7 +605,7 @@ const handleOutgoingMessage = createEventHandler(translateOutgoingMessage, () =>
 const handleImpersonateReady = createEventHandler(translateImpersonate, () => shouldTranslate(incomingTypes));
 const handleMessageEdit = createEventHandler(translateMessageEdit, () => true);
 
-window['translate'] = translate;
+globalThis.translate = translate;
 
 jQuery(async () => {
     const html = await renderExtensionTemplateAsync('translate', 'index');
diff --git a/public/scripts/extensions/vectors/index.js b/public/scripts/extensions/vectors/index.js
index 5506bec00..60eea49f0 100644
--- a/public/scripts/extensions/vectors/index.js
+++ b/public/scripts/extensions/vectors/index.js
@@ -561,9 +561,9 @@ async function retrieveFileChunks(queryText, collectionId) {
  */
 async function vectorizeFile(fileText, fileName, collectionId, chunkSize, overlapPercent) {
     try {
-        if (settings.translate_files && typeof window['translate'] === 'function') {
+        if (settings.translate_files && typeof globalThis.translate === 'function') {
             console.log(`Vectors: Translating file ${fileName} to English...`);
-            const translatedText = await window['translate'](fileText, 'en');
+            const translatedText = await globalThis.translate(fileText, 'en');
             fileText = translatedText;
         }