diff --git a/defaults/main.yml b/defaults/main.yml
index bf34030..47844ee 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -27,7 +27,7 @@ zun_ceilometer_enabled: "{{ (groups['ceilometer_all'] is defined) and (groups['c
 debug: False
 
 #python venv executable
-zun_venv_python_executable: "{{ openstack_venv_python_executable | default('python2') }}"
+zun_venv_python_executable: "{{ openstack_venv_python_executable | default('python3') }}"
 
 # Set the host which will execute the shade modules
 # for the service setup. The host must already have