diff --git a/When.podspec b/When.podspec
index 3441133..d940c27 100644
--- a/When.podspec
+++ b/When.podspec
@@ -16,6 +16,6 @@ Pod::Spec.new do |s|
   s.tvos.deployment_target = '9.2'
 
   s.requires_arc = true
-  s.source_files  = "Sources/**/*"
-  s.framework  = "Foundation"
+  s.source_files = 'Sources/**/*'
+  s.frameworks = 'Foundation'
 end