diff --git a/tempest/tempest_full.conf b/tempest/tempest_full.conf
index c429642..ccd8839 100644
--- a/tempest/tempest_full.conf
+++ b/tempest/tempest_full.conf
@@ -16,7 +16,7 @@
 flavor_ref = ${FLAVOR_REF}
 flavor_ref_alt = ${FLAVOR_REF2}
 fixed_network_name = ${SHARED_NETWORK_NAME}
-min_compute_nodes = 3
+min_compute_nodes = 2
 endpoint_type = publicURL
 volume_device_name = vdc
 min_microversion = 2.1