diff --git a/readthedocs/builds/models.py b/readthedocs/builds/models.py
index b53a3e3616b..5214d434045 100644
--- a/readthedocs/builds/models.py
+++ b/readthedocs/builds/models.py
@@ -184,10 +184,10 @@ def get_downloads(self, pretty=False):
         return data
 
     def get_conf_py_path(self):
-        conf_py_path = self.project.conf_file(self.slug)
-        conf_py_path = conf_py_path.replace(
-            self.project.checkout_path(self.slug), '')
-        return conf_py_path.replace('conf.py', '')
+        conf_py_path = self.project.conf_dir(self.slug)
+        checkout_prefix = self.project.checkout_path(self.slug)
+        conf_py_path = os.path.relpath(conf_py_path, checkout_prefix)
+        return conf_py_path
 
     def get_build_path(self):
         '''Return version build path if path exists, otherwise `None`'''
diff --git a/readthedocs/projects/models.py b/readthedocs/projects/models.py
index 088497783f8..b5957605286 100644
--- a/readthedocs/projects/models.py
+++ b/readthedocs/projects/models.py
@@ -597,7 +597,7 @@ def conf_file(self, version=LATEST):
     def conf_dir(self, version=LATEST):
         conf_file = self.conf_file(version)
         if conf_file:
-            return conf_file.replace('/conf.py', '')
+            return os.path.dirname(conf_file)
 
     @property
     def is_type_sphinx(self):