diff --git a/tasks/horizon_install.yml b/tasks/horizon_install.yml
index 3f5de13c..d273a2c5 100644
--- a/tasks/horizon_install.yml
+++ b/tasks/horizon_install.yml
@@ -107,7 +107,7 @@
 
 - name: Update virtualenv path
   command: >
-    virtualenv-tools --update-path=auto {{ horizon_bin | dirname }}
+    virtualenv-tools --update-path=auto --reinitialize {{ horizon_bin | dirname }}
   when:
     - not horizon_developer_mode | bool
     - horizon_get_venv | changed or horizon_venv_dir | changed