1 files changed, 1 insertions, 1 deletions
diff --git a/bin/setup b/bin/setup
index ec1ebe02950..34bb667087a 100755
--- a/bin/setup
+++ b/bin/setup
@@ -1,7 +1,7 @@
 #!/usr/bin/env ruby
 
 def rails5?
-  %w[1 true].include?(ENV["RAILS5"])
+  !%w[0 false].include?(ENV["RAILS5"])
 end
 
 require "pathname"