diff --git a/lib/wayback_machine_downloader.rb b/lib/wayback_machine_downloader.rb
index 924d7ac..401ba7a 100644
--- a/lib/wayback_machine_downloader.rb
+++ b/lib/wayback_machine_downloader.rb
@@ -201,7 +201,8 @@ def structure_dir_path dir_path
   end
 
   def download_file file_remote_info
-    file_url = file_remote_info[:file_url]
+    current_encoding = "".encoding
+    file_url = file_remote_info[:file_url].encode(current_encoding)
     file_id = file_remote_info[:file_id]
     file_timestamp = file_remote_info[:timestamp]
     file_path_elements = file_id.split('/')
diff --git a/test/test_wayback_machine_downloader.rb b/test/test_wayback_machine_downloader.rb
index 0e4ceb4..cd5b822 100644
--- a/test/test_wayback_machine_downloader.rb
+++ b/test/test_wayback_machine_downloader.rb
@@ -89,5 +89,19 @@ def test_file_list_exclude_filter_with_a_regex
     @wayback_machine_downloader.all = true
     assert_equal 69, @wayback_machine_downloader.get_file_list_curated.size
   end
+ 
+  # Testing encoding conflicts needs a different base_url
+  def test_nonascii_suburls_download
+    @wayback_machine_downloader = WaybackMachineDownloader.new base_url: 'https://en.wikipedia.org/wiki/%C3%84'
+    # Once just for the downloading...
+    @wayback_machine_downloader.download_files
+  end
+
+  def test_nonascii_suburls_already_present
+    @wayback_machine_downloader = WaybackMachineDownloader.new base_url: 'https://en.wikipedia.org/wiki/%C3%84'
+    # ... twice to test the "is already present" case
+    @wayback_machine_downloader.download_files
+    @wayback_machine_downloader.download_files
+  end
 
 end