diff --git a/packages/mui-docs/src/i18n/i18n.tsx b/packages/mui-docs/src/i18n/i18n.tsx
index 48e628600e78df..3ac36eeec1da05 100644
--- a/packages/mui-docs/src/i18n/i18n.tsx
+++ b/packages/mui-docs/src/i18n/i18n.tsx
@@ -81,6 +81,16 @@ export function useSetUserLanguage() {
 
 const warnedOnce: Record<string, boolean> = {};
 
+const warn = (userLanguage: string, key: string, ignoreWarning: boolean) => {
+  const fullKey = `${userLanguage}:${key}`;
+  // No warnings in CI env
+  if (!ignoreWarning && !warnedOnce[fullKey] && typeof window !== 'undefined') {
+    console.warn(`Missing translation for ${fullKey}`);
+
+    warnedOnce[fullKey] = true;
+  }
+};
+
 export interface TranslateOptions {
   ignoreWarning?: boolean;
 }
@@ -104,12 +114,7 @@ export function useTranslate() {
         const translation = getPath(wordings, key);
 
         if (!translation) {
-          const fullKey = `${userLanguage}:${key}`;
-          // No warnings in CI env
-          if (!ignoreWarning && !warnedOnce[fullKey] && typeof window !== 'undefined') {
-            console.error(`Missing translation for ${fullKey}`);
-            warnedOnce[fullKey] = true;
-          }
+          warn(userLanguage, key, ignoreWarning);
           return getPath(translations.en, key);
         }