diff --git a/includes/MediaEntityTranslationHandler.inc b/includes/MediaEntityTranslationHandler.inc
index 4e78ed1..7543faa 100644
--- a/includes/MediaEntityTranslationHandler.inc
+++ b/includes/MediaEntityTranslationHandler.inc
@@ -30,6 +30,11 @@ class MediaEntityTranslationHandler extends EntityTranslationDefaultHandler {
       $form['actions']['delete_translation']['#weight'] = 10;
     }
 
+    // The "Source language" element is unsupported on modal forms.
+    if (!empty($form_state['ajax'])) {
+      $form['source_language']['#access'] = FALSE;
+    }
+
     if ($this->getPathScheme() == 'media') {
       $language = $GLOBALS[LANGUAGE_TYPE_CONTENT];
       $form_langcode = $this->getFormLanguage();
diff --git a/includes/media.fields.inc b/includes/media.fields.inc
index 771b9f7..52a5d1f 100644
--- a/includes/media.fields.inc
+++ b/includes/media.fields.inc
@@ -122,6 +122,22 @@ function media_field_widget_form(&$form, &$form_state, $field, $instance, $langc
     '#extended' => TRUE,
   );
 
+  // If translation is enabled for the entity, store its form/source langcodes
+  // on the elements for further usage in media_element_process().
+  if (module_invoke('entity_translation', 'enabled', $element['#entity_type'], $element['#entity'])) {
+    $translation_handler = entity_translation_get_handler($element['#entity_type'], $element['#entity']);
+    $element['#media_parent_entity_form_langcode'] = $translation_handler->getFormLanguage();
+    if ($source_langcode = $translation_handler->getSourceLanguage()) {
+      $element['#media_parent_entity_source_langcode'] = $source_langcode;
+    }
+  }
+  elseif (module_exists('translation') && $element['#entity_type'] == 'node' && translation_supported_type($element['#entity']->type)) {
+    $element['#media_parent_entity_form_langcode'] = $element['#entity']->language;
+    $element['#media_parent_entity_source_langcode'] = $element['#entity']->language;
+  } elseif ($element['#entity_type'] == 'field_collection_item') {
+    $element['#media_parent_entity_form_langcode'] = $form['#entity']->language;
+  }
+
   // Add image field specific validators.
   if ($field['type'] == 'image') {
     if ($field_settings['min_resolution'] || $field_settings['max_resolution']) {
diff --git a/includes/media.pages.inc b/includes/media.pages.inc
index 65ae9ca..9bef54a 100644
--- a/includes/media.pages.inc
+++ b/includes/media.pages.inc
@@ -12,6 +12,27 @@ function media_file_edit_modal($form, &$form_state, $file, $js) {
   ctools_include('modal');
   ctools_include('ajax');
 
+  // If entity translation is enabled for the file entities and we have parent
+  // entity form/source langcodes, use them for the currently edited file.
+  if (!empty($_GET['media_parent_entity_form_langcode']) && is_string($_GET['media_parent_entity_form_langcode']) && module_invoke('entity_translation', 'enabled', 'file', $file)) {
+    $languages = language_list();
+    if (isset($languages[$_GET['media_parent_entity_form_langcode']])) {
+      $langcode = $_GET['media_parent_entity_form_langcode'];
+      $translation_handler = entity_translation_get_handler('file', $file);
+      $translation_handler->setFormLanguage($langcode);
+      $translations = $translation_handler->getTranslations();
+      if (!isset($translations->data[$langcode])) {
+        if (!empty($_GET['media_parent_entity_source_langcode']) && is_string($_GET['media_parent_entity_source_langcode']) && isset($translations->data[$_GET['media_parent_entity_source_langcode']])) {
+          $source_langcode = $_GET['media_parent_entity_source_langcode'];
+        }
+        else {
+          $source_langcode = $translation_handler->getLanguage();
+        }
+        $translation_handler->setSourceLanguage($source_langcode);
+      }
+    }
+  }
+
   $form_state['ajax'] = $js;
   form_load_include($form_state, 'inc', 'file_entity', 'file_entity.pages');
 
diff --git a/media.module b/media.module
index 9f5722e..4ae5604 100644
--- a/media.module
+++ b/media.module
@@ -796,6 +796,17 @@ function media_element_process($element, &$form_state, $form) {
     '#weight' => 20,
     '#access' => $element['#file'] ? file_entity_access('update', $element['#file']) : FALSE,
   );
+
+  // If we have parent entity form/source langcodes, pass them in query. They
+  // will be used in
+  /* @see media_file_edit_modal() */
+  if (!empty($element['#media_parent_entity_form_langcode'])) {
+    $element['edit']['#options']['query']['media_parent_entity_form_langcode'] = $element['#media_parent_entity_form_langcode'];
+    if (!empty($element['#media_parent_entity_source_langcode'])) {
+      $element['edit']['#options']['query']['media_parent_entity_source_langcode'] = $element['#media_parent_entity_source_langcode'];
+    }
+  }
+
   $element['remove_button'] = array(
     '#name' => implode('_', $element['#parents']) . '_remove_button',
     '#type' => 'submit',