diff --git a/.travis.yml b/.travis.yml
index 70f4efc..7799c7c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ script:
 after_script:
     - 'docker-compose -f build.yml push redis-$VERSION'
 matrix:
-    allow_failures: { VERSION: [windowsservercode, nanoserver] }
+    allow_failures: { env: [VERSION=windowsservercode, VERSION=nanoserver] }
 env:
     - VERSION=windowsservercore
     - VERSION=stretch
diff --git a/build.php b/build.php
index 44fb8e7..3ae80f9 100644
--- a/build.php
+++ b/build.php
@@ -42,7 +42,7 @@ $travisYaml = [
     ],
     'matrix' => [
         'allow_failures' => [
-            'VERSION' => [ 'windowsservercode', 'nanoserver' ],
+            'env' => [ 'VERSION=windowsservercode', 'VERSION=nanoserver' ],
         ],
     ],
     'env' => [],