diff --git a/bin/repl b/bin/repl
old mode 100644
new mode 100755
index 7daaebf..5900665
--- a/bin/repl
+++ b/bin/repl
@@ -42,16 +42,16 @@ if ARGV.include? '--man'
 end
 
 completion_dir = ENV['REPL_COMPLETION_DIR'] || "~/.repl"
-if File.exists?(cdir = File.expand_path(completion_dir))
+if File.exist?(cdir = File.expand_path(completion_dir))
   script = ARGV.detect { |a| a !~ /^-/ }
   if script
     cfile = Dir[cdir + '/' + File.basename(script)].first
-    cfile = nil if cfile && !File.exists?(cfile)
+    cfile = nil if cfile && !File.exist?(cfile)
   end
 end
 
 history_dir = ENV['REPL_HISTORY_DIR'] || "~/"
-if File.exists?(hdir = File.expand_path(history_dir))
+if File.exist?(hdir = File.expand_path(history_dir))
   if script = ARGV.detect { |a| a !~ /^-/ }
     script = File.basename(script)
     hfile = "#{hdir}/.#{script}_history"