diff --git a/tests/assets/minimal.conf b/tests/assets/minimal.conf
index ed49223c9..5e0b033da 100644
--- a/tests/assets/minimal.conf
+++ b/tests/assets/minimal.conf
@@ -1,4 +1,5 @@
 # Minimal configuration for testing.
+bind 127.0.0.1
 always-show-logo yes
 daemonize no
 pidfile /var/run/keydb.pid
diff --git a/tests/cluster/run.tcl b/tests/cluster/run.tcl
index 2c72ad307..7e1e91081 100644
--- a/tests/cluster/run.tcl
+++ b/tests/cluster/run.tcl
@@ -13,8 +13,9 @@ set ::tlsdir "../../tls"
 proc main {} {
     parse_options
     spawn_instance redis $::redis_base_port $::instances_count {
-        "cluster-enabled yes"
-        "appendonly yes"
+	"bind 127.0.0.1"
+	"cluster-enabled yes"
+	"appendonly yes"
 	"testmode yes"
 	"server-threads 3"
     }