diff --git a/INSTALL.md b/INSTALL.md
index 1351b6d..42ce6eb 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -44,7 +44,8 @@ $ cd nautilus-python
 $ PYTHON=/usr/bin/python3 ./autogen.sh
 $ make
 # make install
-$ cp ./nautilus/mat2.py ~/.local/share/nautilus-python/extensions/
+$ mkdir -p ~/.local/share/nautilus-python/extensions/
+$ cp ../nautilus/mat2.py ~/.local/share/nautilus-python/extensions/
 $ PYTHONPATH=/home/$USER/mat2 PYTHON=/usr/bin/python3 nautilus
 ```