diff --git a/doc/source/conf.py b/doc/source/conf.py
index d2f26bf8e2c49f1b52d060e5d4c420e144339478..bd571700824a6073120bfc72dbcace603592e57d 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -2,6 +2,8 @@
 
 import sphinx.environment
 from docutils.utils import get_source_line
+import sys
+sys.path.insert(0, os.path.join(os.path.abspath(__file__), "..", ".."))
 
 MOCK_MODULES=[]