diff --git a/testsite/group_vars/all.yml b/testsite/group_vars/all.yml
index 4ecd5f92ef68d2cdcc39643ac771f662dc77487a..ba0be1d66bcb00af2c05d061e90eb49a20025dc9 100644
--- a/testsite/group_vars/all.yml
+++ b/testsite/group_vars/all.yml
@@ -25,4 +25,4 @@ common_packages:
   - debconf-utils
 
 ca_certificates:
-  - ../certs/example_ca_chain.pem
\ No newline at end of file
+  - "{{ inventory_dir }}/tls/example_ca_chain.pem"
\ No newline at end of file