diff --git a/serverplugin/consul_test.go b/serverplugin/consul_test.go
index 779df9d..b003598 100644
--- a/serverplugin/consul_test.go
+++ b/serverplugin/consul_test.go
@@ -1,3 +1,5 @@
+// +build consul
+
 package serverplugin
 
 import (
diff --git a/serverplugin/etcd_test.go b/serverplugin/etcd_test.go
index 8ece728..59b5fff 100644
--- a/serverplugin/etcd_test.go
+++ b/serverplugin/etcd_test.go
@@ -1,3 +1,5 @@
+// +build etcd
+
 package serverplugin
 
 import (
diff --git a/serverplugin/zookeeper_test.go b/serverplugin/zookeeper_test.go
index 89e267c..4f74f0a 100644
--- a/serverplugin/zookeeper_test.go
+++ b/serverplugin/zookeeper_test.go
@@ -1,3 +1,5 @@
+// +build zookeeper
+
 package serverplugin
 
 import (