--- a/process/factory.py
+++ b/process/factory.py
@@ -1046,17 +1046,17 @@ class MercurialBuildFactory(MozillaBuild
                              'buildfarm',
                              'utils',
                              'archiver_client.py')
         else:
             self.addStep(ShellCommand(
                 command=['bash', '-c',
                          'wget -Oarchiver_client.py ' +
                          '--no-check-certificate --tries=10 --waitretry=3 ' +
-                         'http://hg.mozilla.org/build/tools/raw-file/default/buildfarm/utils/archiver_client.py'],
+                         'https://hg.mozilla.org/build/tools/raw-file/default/buildfarm/utils/archiver_client.py'],
                 haltOnFailure=True,
                 workdir='.',
             ))
             archiver_client_path = 'archiver_client.py'
 
 
         self.addStep(ShellCommand(
             name='rm_mozharness',