diff --git a/roles/installer/templates/settings/credentials.py.j2 b/roles/installer/templates/settings/credentials.py.j2
index 3f8f1380..53e8fde1 100644
--- a/roles/installer/templates/settings/credentials.py.j2
+++ b/roles/installer/templates/settings/credentials.py.j2
@@ -8,7 +8,9 @@ DATABASES = {
         'HOST': '{{ awx_postgres_host }}',
         'PORT': "{{ awx_postgres_port }}",
         'OPTIONS': { 'sslmode': '{{ awx_postgres_sslmode }}',
+{% if awx_postgres_sslmode in ['verify-ca', 'verify-full'] %}
                      'sslrootcert': '{{ ca_trust_bundle }}',
+{% endif %}
         },
     }
 }