diff --git a/group_vars/all b/group_vars/all
new file mode 100644
index 0000000..2f21a2f
--- /dev/null
+++ b/group_vars/all
@@ -0,0 +1,4 @@
+---
+# Variables listed here are applicable to all host groups.
+
+ansible_python_interpreter: /usr/bin/python2