diff --git "a/e2e/cypress/fixtures/images/\331\241\331\240 \331\203\331\205 \320\274\320\265\321\201\321\202 \320\264\320\273\321\217 \320\235\321\214\321\216-\320\231\320\276\321\200\320\272\320\265.pdf" "b/e2e/cypress/fixtures/images/\331\241\331\240 \331\203\331\205 \320\274\320\265\321\201\321\202 \320\264\320\273\321\217 \320\235\321\214\321\216-\320\231\320\276\321\200\320\272\320\265.pdf"
new file mode 100644
index 0000000000..9ec444cfa4
Binary files /dev/null and "b/e2e/cypress/fixtures/images/\331\241\331\240 \331\203\331\205 \320\274\320\265\321\201\321\202 \320\264\320\273\321\217 \320\235\321\214\321\216-\320\231\320\276\321\200\320\272\320\265.pdf" differ
diff --git a/e2e/cypress/integration/dashboard-aws-multipart.spec.ts b/e2e/cypress/integration/dashboard-aws-multipart.spec.ts
index 3c960f4774..ab155a2b30 100644
--- a/e2e/cypress/integration/dashboard-aws-multipart.spec.ts
+++ b/e2e/cypress/integration/dashboard-aws-multipart.spec.ts
@@ -14,6 +14,15 @@ describe('Dashboard with @uppy/aws-s3-multipart', () => {
     cy.wait(['@post', '@get', '@put'])
     cy.get('.uppy-StatusBar-statusPrimary').should('contain', 'Complete')
   })
+  it('should upload Russian poem image successfully', () => {
+    const fileName = '١٠ كم мест для Нью-Йорке.pdf'
+    cy.get('@file-input').selectFile(`cypress/fixtures/images/${fileName}`, { force:true })
+
+    cy.get('.uppy-StatusBar-actionBtn--upload').click()
+    cy.wait(['@post', '@get', '@put'])
+    cy.get('.uppy-Dashboard-Item-name').should('contain', fileName)
+    cy.get('.uppy-StatusBar-statusPrimary').should('contain', 'Complete')
+  })
 
   it('should handle retry request gracefully',  () => {
     cy.get('@file-input').selectFile('cypress/fixtures/images/cat.jpg', { force:true })
diff --git a/packages/@uppy/companion/src/server/controllers/s3.js b/packages/@uppy/companion/src/server/controllers/s3.js
index 794e58a467..1948146901 100644
--- a/packages/@uppy/companion/src/server/controllers/s3.js
+++ b/packages/@uppy/companion/src/server/controllers/s3.js
@@ -1,5 +1,13 @@
 const express = require('express')
 
+function rfc2047Encode (data) {
+  // eslint-disable-next-line no-param-reassign
+  data = `${data}`
+  // eslint-disable-next-line no-control-regex
+  if (/^[\x00-\x7F]*$/.test(data)) return data // we return ASCII as is
+  return `=?UTF-8?B?${Buffer.from(data).toString('base64')}?=` // We encode non-ASCII strings
+}
+
 module.exports = function s3 (config) {
   if (typeof config.acl !== 'string' && config.acl != null) {
     throw new TypeError('s3: The `acl` option must be a string or null')
@@ -102,7 +110,7 @@ module.exports = function s3 (config) {
       Bucket: config.bucket,
       Key: key,
       ContentType: type,
-      Metadata: metadata,
+      Metadata: Object.fromEntries(Object.entries(metadata).map(entry => entry.map(rfc2047Encode))),
     }
 
     if (config.acl != null) params.ACL = config.acl