diff --git a/nixos/tests/consul.nix b/nixos/tests/consul.nix
index eb7dd45923fc..ffbbd835885e 100644
--- a/nixos/tests/consul.nix
+++ b/nixos/tests/consul.nix
@@ -73,6 +73,10 @@ let
             extraConfig = defaultExtraConfig // {
               server = true;
               bootstrap_expect = numConsensusServers;
+              # Tell Consul that we never intend to drop below this many servers.
+              # Ensures to not permanently lose consensus after temporary loss.
+              # See https://github.com/hashicorp/consul/issues/8118#issuecomment-645330040
+              autopilot.min_quorum = numConsensusServers;
               retry_join =
                 # If there's only 1 node in the network, we allow self-join;
                 # otherwise, the node must not try to join itself, and join only the other servers.