diff --git a/mu4e/mu4e-utils.el b/mu4e/mu4e-utils.el
index dfeb556b..05f0f32c 100644
--- a/mu4e/mu4e-utils.el
+++ b/mu4e/mu4e-utils.el
@@ -634,8 +634,8 @@ FUNC (if non-nil) afterwards."
 	      (mu4e-error "mu server has version %s, but we need %s"
 		version mu4e-mu-version))
 	    (when func (funcall func))
-	    (when (and mu4e-update-interval (null mu4e~update-timerr))
-	      (setq mu4e~update-timerr
+	    (when (and mu4e-update-interval (null mu4e~update-timer))
+	      (setq mu4e~update-timer
 		(run-at-time
 		  0 mu4e-update-interval 'mu4e-update-mail)))
 	    (mu4e-message "Started mu4e with %d message%s in store"
@@ -655,10 +655,10 @@ FUNC (if non-nil) afterwards."
 
 (defun mu4e~stop ()
   "Stop the mu4e session."
-  (when mu4e~update-timerr
-    (cancel-timer mu4e~update-timerr)
+  (when mu4e~update-timer
+    (cancel-timer mu4e~update-timer)
     (setq
-      mu4e~update-timerr nil
+      mu4e~update-timer nil
       mu4e~maildir-list nil
       mu4e~contacts-for-completion nil))
   (mu4e~proc-kill)