--- contrib/python/pytest-localserver/py2/pytest_localserver/https.py	(index)
+++ contrib/python/pytest-localserver/py2/pytest_localserver/https.py	(working tree)
@@ -8,8 +8,8 @@ import os.path
 from pytest_localserver.http import ContentServer
 
 #: default server certificate
-DEFAULT_CERTIFICATE = os.path.join(
-    os.path.abspath(os.path.dirname(__file__)), 'server.pem')
+
+DEFAULT_CERTIFICATE = os.path.join(os.getcwd(), 'server.pem')
 
 
 class SecureContentServer (ContentServer):
--- contrib/python/pytest-localserver/py2/pytest_localserver/plugin.py	(index)
+++ contrib/python/pytest-localserver/py2/pytest_localserver/plugin.py	(working tree)
@@ -5,6 +5,9 @@
 #
 # This program is release under the MIT license. You can find the full text of
 # the license in the LICENSE file.
+import os
+import pkgutil
+
 import pytest
 
 
@@ -62,10 +65,15 @@ def httpsserver(request):
     SSL encryption.
     """
     from pytest_localserver import https
-    server = https.SecureContentServer()
-    server.start()
-    request.addfinalizer(server.stop)
-    return server
+    try:
+        with open(https.DEFAULT_CERTIFICATE, 'wb') as f:
+            f.write(pkgutil.get_data('pytest_localserver', 'server.pem'))
+        server = https.SecureContentServer()
+        server.start()
+        request.addfinalizer(server.stop)
+        yield server
+    finally:
+        os.remove(https.DEFAULT_CERTIFICATE)
 
 
 @pytest.fixture