diff --git a/install.sh b/install.sh
index cfb2c7d1ced1245323b318c40a9c543d667a3eac..06391fd37fa40be9ba4b7a5383739e17087a11a5 100755
--- a/install.sh
+++ b/install.sh
@@ -1,3 +1,5 @@
 #!/bin/sh
 python3.6 setup.py build_ext
+# .egg-link does not work with PYTHONPATH ?
 pip3.6 install -e .
+pip3.6 install  --no-deps --ignore-installed .