diff --git a/django/contrib/admin/options.py b/django/contrib/admin/options.py
index 21eced0fb0..f5f6256f93 100644
--- a/django/contrib/admin/options.py
+++ b/django/contrib/admin/options.py
@@ -1001,7 +1001,7 @@ class ModelAdmin(BaseModelAdmin):
             'adminform': adminForm,
             'is_popup': "_popup" in request.REQUEST,
             'show_delete': False,
-            'media': mark_safe(media),
+            'media': media,
             'inline_admin_formsets': inline_admin_formsets,
             'errors': helpers.AdminErrorList(form, formsets),
             'app_label': opts.app_label,
@@ -1093,7 +1093,7 @@ class ModelAdmin(BaseModelAdmin):
             'object_id': object_id,
             'original': obj,
             'is_popup': "_popup" in request.REQUEST,
-            'media': mark_safe(media),
+            'media': media,
             'inline_admin_formsets': inline_admin_formsets,
             'errors': helpers.AdminErrorList(form, formsets),
             'app_label': opts.app_label,