diff --git a/Library/Homebrew/service.rb b/Library/Homebrew/service.rb
index fe4c976cbd..3165d9ea9b 100644
--- a/Library/Homebrew/service.rb
+++ b/Library/Homebrew/service.rb
@@ -211,6 +211,9 @@ 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 fe053c8589..efa4391798 100644
--- a/Library/Homebrew/test/service_spec.rb
+++ b/Library/Homebrew/test/service_spec.rb
@@ -175,6 +175,9 @@ 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
@@ -202,6 +205,9 @@ 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