diff --git a/custom-variables.el b/custom-variables.el
index 5f91191..ed5e1ee 100644
--- a/custom-variables.el
+++ b/custom-variables.el
@@ -51,6 +51,7 @@
  '(fci-handle-truncate-lines nil)
  '(fci-rule-width 1)
  '(fill-column 78)
+ '(flycheck-completion-system (quote ido))
  '(flycheck-rubocop-lint-only t)
  '(global-auto-revert-mode t)
  '(global-undo-tree-mode t)