diff --git a/testsite/ansible.cfg b/testsite/ansible.cfg
index 42d46666e32e4cdbbc229a9f0365647b5eb6dc58..ad335b769108d017bd267d6f5df5cecc19302a93 100644
--- a/testsite/ansible.cfg
+++ b/testsite/ansible.cfg
@@ -2,6 +2,7 @@
 roles_path=../roles
 force_handlers = True
 inventory = ./hosts
+interpreter_python = /usr/bin/python3
 
 [ssh_connection]
 pipelining = True
\ No newline at end of file