diff --git a/docs/building.rst b/docs/building.rst
index f798362..9bb277a 100644
--- a/docs/building.rst
+++ b/docs/building.rst
@@ -176,7 +176,7 @@ macOS
 #. In a terminal, change your current working directory to your overviewer-[Version] folder (e.g. by using ``cd Desktop/overviewer-[Version]``)
 #. Build::
 
-    PIL_INCLUDE_DIR="/path/to/Pillow-[version]/libImaging" python3 setup.py build
+    python3 setup.py build
 
 You should now be able to run Overviewer with ``./overviewer.py`` inside of the
 Overviewer directory.