diff --git a/acceptance/tests/ticket_3961_puppet_ca_should_produce_certs.rb b/acceptance/tests/ticket_3961_puppet_ca_should_produce_certs.rb
index 22a5b4b92..3f41aebbe 100644
--- a/acceptance/tests/ticket_3961_puppet_ca_should_produce_certs.rb
+++ b/acceptance/tests/ticket_3961_puppet_ca_should_produce_certs.rb
@@ -1,29 +1,35 @@
 test_name "#3961: puppet ca should produce certs spec"
 
-scratch = "/tmp/puppet-ssl-3961"
 target  = "working3961.example.org"
 
-options = { :confdir => scratch, :vardir => scratch }
-
 expect = ['notice: Signed certificate request for ca',
           'notice: Rebuilding inventory file',
           'notice: working3961.example.org has a waiting certificate request',
           'notice: Signed certificate request for working3961.example.org',
           'notice: Removing file Puppet::SSL::CertificateRequest working3961.example.org']
 
+agents.each do |agent|
+  if agent['platform'].include?('windows')
+    skip_test "Test not supported on this platform"
+    next
+  end
+
+  scratch = agent.tmpdir('puppet-ssl-3961')
+  options = { :confdir => scratch, :vardir => scratch }
 
-step "removing the SSL scratch directory..."
-on agents, "rm -vrf #{scratch}"
+  step "removing the SSL scratch directory..."
+  on(agent, "rm -vrf #{scratch}")
 
-step "generate a certificate in #{scratch}"
-on(agents,puppet_cert('--trace', '--generate', target, options)) do
-  expect.each do |line|
-    stdout.index(line) or fail_test("missing line in output: #{line}")
+  step "generate a certificate in #{scratch}"
+  on(agent,puppet_cert('--trace', '--generate', target, options)) do
+    expect.each do |line|
+      stdout.index(line) or fail_test("missing line in output: #{line}")
+    end
   end
-end
 
-step "verify the certificate for #{target} exists"
-on agents, "test -f #{scratch}/ssl/certs/#{target}.pem"
+  step "verify the certificate for #{target} exists"
+  on agent, "test -f #{scratch}/ssl/certs/#{target}.pem"
 
-step "verify the private key for #{target} exists"
-on agents, "grep -q 'BEGIN RSA PRIVATE KEY' #{scratch}/ssl/private_keys/#{target}.pem"
+  step "verify the private key for #{target} exists"
+  on agent, "grep -q 'BEGIN RSA PRIVATE KEY' #{scratch}/ssl/private_keys/#{target}.pem"
+end