diff --git a/Library/Homebrew/service.rb b/Library/Homebrew/service.rb
index cec0e9e546..b1d7fef52b 100644
--- a/Library/Homebrew/service.rb
+++ b/Library/Homebrew/service.rb
@@ -151,6 +151,9 @@ module Homebrew
         [Unit]
         Description=Homebrew generated unit for #{@formula.name}
 
+        [Install]
+        WantedBy=multi-user.target
+
         [Service]
         Type=simple
         ExecStart=#{command.join(" ")}
diff --git a/Library/Homebrew/test/service_spec.rb b/Library/Homebrew/test/service_spec.rb
index 2c7bd94428..73cec16fed 100644
--- a/Library/Homebrew/test/service_spec.rb
+++ b/Library/Homebrew/test/service_spec.rb
@@ -123,6 +123,9 @@ describe Homebrew::Service do
         [Unit]
         Description=Homebrew generated unit for formula_name
 
+        [Install]
+        WantedBy=multi-user.target
+
         [Service]
         Type=simple
         ExecStart=#{HOMEBREW_PREFIX}/opt/#{name}/bin/beanstalkd test
@@ -146,6 +149,9 @@ describe Homebrew::Service do
         [Unit]
         Description=Homebrew generated unit for formula_name
 
+        [Install]
+        WantedBy=multi-user.target
+
         [Service]
         Type=simple
         ExecStart=#{HOMEBREW_PREFIX}/opt/#{name}/bin/beanstalkd