diff --git a/features/step-definitions/multiple-cursors-steps.el b/features/step-definitions/multiple-cursors-steps.el
index fb4c075..0626e81 100644
--- a/features/step-definitions/multiple-cursors-steps.el
+++ b/features/step-definitions/multiple-cursors-steps.el
@@ -22,7 +22,7 @@
 
 (Then "^rectangular-region-mode should be on$"
        (lambda ()
-         (assert (rectangular-region-mode) nil
+         (assert rectangular-region-mode nil
                  "Expected rectangular-region-mode mode to be on, but wasn't.")))
 
 (When "^I press \"\\(.+\\)\"$"