diff --git a/doc/make.py b/doc/make.py
index 438c4a04a3f08..75890658d7b30 100755
--- a/doc/make.py
+++ b/doc/make.py
@@ -323,7 +323,7 @@ def main():
     # the import of `python_path` correctly. The latter is used to resolve
     # the import within the module, injecting it into the global namespace
     os.environ['PYTHONPATH'] = args.python_path
-    sys.path.append(args.python_path)
+    sys.path.insert(0, args.python_path)
     globals()['pandas'] = importlib.import_module('pandas')
 
     # Set the matplotlib backend to the non-interactive Agg backend for all