diff --git a/lib/appsignal/cli/helpers.rb b/lib/appsignal/cli/helpers.rb
index 8b965c2f6..425a6a529 100644
--- a/lib/appsignal/cli/helpers.rb
+++ b/lib/appsignal/cli/helpers.rb
@@ -29,7 +29,7 @@ def periods
       def press_any_key
         puts
         print "  Ready? Press any key:"
-        stdin.getch
+        stdin.getc
         puts
         puts
       end