diff --git a/models/site_file.rb b/models/site_file.rb
index e857f287..6faded0f 100644
--- a/models/site_file.rb
+++ b/models/site_file.rb
@@ -56,7 +56,9 @@ class SiteFile < Sequel::Model
       mime_type = Magic.guess_file_mime_type site.files_path(self.path)
       extname = File.extname new_path
 
-      return false, 'unsupported file type' unless site.class.valid_file_mime_type_and_ext?(mime_type, extname)
+      unless site.supporter? || site.class.valid_file_mime_type_and_ext?(mime_type, extname)
+        return false, 'unsupported file type'
+      end
     end
 
     begin
diff --git a/tests/site_file_tests.rb b/tests/site_file_tests.rb
index d6bc3c1a..fad72060 100644
--- a/tests/site_file_tests.rb
+++ b/tests/site_file_tests.rb
@@ -51,6 +51,18 @@ describe 'site_files' do
       @site.site_files_dataset.where(path: 'test.jpg').first.wont_equal nil
     end
 
+    it 'renames nonstandard file type for supporters' do
+      no_file_restriction_plans = Site::PLAN_FEATURES.select {|p,v| v[:no_file_restrictions] == true}
+      no_file_restriction_plans.each do |plan_type,hash|
+        @site = Fabricate :site, plan_type: plan_type
+        upload 'files[]' => Rack::Test::UploadedFile.new('./tests/files/flowercrime.wav', 'audio/x-wav')
+        testfile = @site.site_files_dataset.where(path: 'flowercrime.wav').first
+        res = testfile.rename('flowercrime.exe')
+        res.first.must_equal true
+        File.exists?(@site.files_path('flowercrime.exe')).must_equal true
+        @site.site_files_dataset.where(path: 'flowercrime.exe').first.wont_equal nil
+      end
+    end
 
     it 'works for directory' do
       @site.create_directory 'dirone'