diff --git a/doc/conf.py b/doc/conf.py
index 433b5ad..98f4e35 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -15,7 +15,7 @@
 
 #Mock unavailable packages for ReadTheDocs
 try:
-    from unitttest import mock
+    from unittest import mock
 except ImportError:
     import mock