diff --git a/.travis.yml b/.travis.yml
index 08ed8ff1..20a3362b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ language: go
 go:
   - 1.6
   - 1.7
+  - 1.8
   - tip
 
 addons:
diff --git a/system/t04_mirror/create.py b/system/t04_mirror/create.py
index 5ebdfeff..5f8b400c 100644
--- a/system/t04_mirror/create.py
+++ b/system/t04_mirror/create.py
@@ -231,7 +231,7 @@ class CreateMirror20Test(BaseTest):
     create mirror: using failing HTTP_PROXY
     """
     fixtureGpg = True
-    outputMatchPrepare = lambda _, s: s.replace('getsockopt: ', '')
+    outputMatchPrepare = lambda _, s: s.replace('getsockopt: ', '').replace('proxyconnect tcp', 'http: error connecting to proxy http://127.0.0.1:3137')
 
     runCmd = "aptly -architectures='i386' mirror create -keyring=aptlytest.gpg -with-sources mirror20 http://security.debian.org/ wheezy/updates main"
     environmentOverride = {"HTTP_PROXY": "127.0.0.1:3137"}