diff --git a/models/site.rb b/models/site.rb
index cfca846d..493297d3 100644
--- a/models/site.rb
+++ b/models/site.rb
@@ -634,6 +634,7 @@ class Site < Sequel::Model
       PurgeCacheOrderWorker.perform_async username, relative_path
 
       purge_file_path = Pathname(relative_path).dirname.to_s
+      purge_file_path += '/' if purge_file_path != '/'
 
       PurgeCacheOrderWorker.perform_async username, '/?surf=1' if purge_file_path == '/'
       PurgeCacheOrderWorker.perform_async username, purge_file_path
diff --git a/tests/site_file_tests.rb b/tests/site_file_tests.rb
index 3c8d808b..328dca7a 100644
--- a/tests/site_file_tests.rb
+++ b/tests/site_file_tests.rb
@@ -217,6 +217,14 @@ describe 'site_files' do
       @site.reload.title.must_equal title
     end
 
+    it 'purges cache for /subdir/' do # (not /subdir which is just a redirect to /subdir/)
+      upload(
+        'dir' => 'subdir',
+        'files[]' => Rack::Test::UploadedFile.new('./tests/files/index.html', 'text/html')
+      )
+      PurgeCacheOrderWorker.jobs.select {|j| j['args'].last == '/subdir/'}.length.must_equal 1
+    end
+
     it 'succeeds with valid file' do
       initial_space_used = @site.space_used
       uploaded_file = Rack::Test::UploadedFile.new('./tests/files/test.jpg', 'image/jpeg')
diff --git a/tests/workers/purge_cache_worker_tests.rb b/tests/workers/purge_cache_worker_tests.rb
index a627cd35..70a47011 100644
--- a/tests/workers/purge_cache_worker_tests.rb
+++ b/tests/workers/purge_cache_worker_tests.rb
@@ -6,7 +6,7 @@ describe PurgeCacheWorker do
   end
 
   it 'handles 404 without exception' do
-    stub_request(:head, "http://#{@test_ip}/test.jpg").
+    stub_request(:head, "https://#{@test_ip}/test.jpg").
       with(headers: {'Host' => 'kyledrake.neocities.org', 'Cache-Purge' => '1'})
       .to_return(status: 404)
 
@@ -15,23 +15,23 @@ describe PurgeCacheWorker do
   end
 
   it 'sends a purge request' do
-    stub_request(:head, "http://#{@test_ip}/test.jpg").
+    stub_request(:head, "https://#{@test_ip}/test.jpg").
       with(headers: {'Host' => 'kyledrake.neocities.org', 'Cache-Purge' => '1'})
       .to_return(status: 200)
 
     worker = PurgeCacheWorker.new
     worker.perform @test_ip, 'kyledrake', '/test.jpg'
 
-    assert_requested :head, "http://#{@test_ip}/test.jpg"
+    assert_requested :head, "https://#{@test_ip}/test.jpg"
   end
 
   it 'handles spaces correctly' do
-    stub_request(:head, "http://#{@test_ip}/te st.jpg").
+    stub_request(:head, "https://#{@test_ip}/te st.jpg").
       with(headers: {'Host' => 'kyledrake.neocities.org', 'Cache-Purge' => '1'})
       .to_return(status: 200)
 
     url = Addressable::URI.encode_component(
-      "http://#{@test_ip}/te st.jpg",
+      "https://#{@test_ip}/te st.jpg",
       Addressable::URI::CharacterClasses::QUERY
     )
 
@@ -42,7 +42,7 @@ describe PurgeCacheWorker do
   end
 
   it 'works without forward slash' do
-    stub_request(:head, "http://#{@test_ip}/test.jpg").
+    stub_request(:head, "https://#{@test_ip}/test.jpg").
       with(headers: {'Host' => 'kyledrake.neocities.org', 'Cache-Purge' => '1'})
       .to_return(status: 200)