diff --git a/readthedocs/doc_builder/backends/mkdocs.py b/readthedocs/doc_builder/backends/mkdocs.py
index 75cf9f79840..5c6a12bf7ec 100644
--- a/readthedocs/doc_builder/backends/mkdocs.py
+++ b/readthedocs/doc_builder/backends/mkdocs.py
@@ -97,6 +97,11 @@ def load_yaml_config(self):
             return config
 
         except IOError:
+            log.info(
+                'Creating default MkDocs config file for project: %s:%s',
+                self.project.slug,
+                self.version.slug,
+            )
             return {
                 'site_name': self.version.project.name,
             }
diff --git a/readthedocs/doc_builder/backends/sphinx.py b/readthedocs/doc_builder/backends/sphinx.py
index 92cc904d245..14627fe48d9 100644
--- a/readthedocs/doc_builder/backends/sphinx.py
+++ b/readthedocs/doc_builder/backends/sphinx.py
@@ -60,6 +60,11 @@ def __init__(self, *args, **kwargs):
 
     def _write_config(self, master_doc='index'):
         """Create ``conf.py`` if it doesn't exist."""
+        log.info(
+            'Creating default Sphinx config file for project: %s:%s',
+            self.project.slug,
+            self.version.slug,
+        )
         docs_dir = self.docs_dir()
         conf_template = render_to_string(
             'sphinx/conf.py.conf',