diff --git a/bin/github-pages b/bin/github-pages
index d91bf9d4..5ae512c9 100755
--- a/bin/github-pages
+++ b/bin/github-pages
@@ -43,7 +43,7 @@ Mercenary.program(:"github-pages") do |p|
     c.action do |args, options|
       require 'github-pages-health-check'
       cname_path = File.expand_path "CNAME", Dir.pwd
-      raise "No CNAME file found in current directory" unless File.exists?(cname_path)
+      raise "No CNAME file found in current directory" unless File.exist?(cname_path)
       cname = File.open(cname_path).read.strip
       check = GitHubPages::HealthCheck.check(cname)
       puts "Checking domain #{cname}..."