diff --git a/modules/checkers/syntax/config.el b/modules/checkers/syntax/config.el
index 6d82bb0f5..f6c52c0a1 100644
--- a/modules/checkers/syntax/config.el
+++ b/modules/checkers/syntax/config.el
@@ -12,7 +12,12 @@
   ;; Check only when saving or opening files. Newline & idle checks are a mote
   ;; excessive and can catch code in an incomplete state, producing false
   ;; positives, so we removed them.
-  (setq flycheck-check-syntax-automatically '(save mode-enabled))
+  (setq flycheck-check-syntax-automatically '(save mode-enabled idle-buffer-switch))
+
+  ;; For the above functionality, check syntax in a buffer that you switched to
+  ;; only briefly. This allows "refreshing" the syntax check state for several
+  ;; buffers quickly after e.g. changing a config file.
+  (setq flycheck-buffer-switch-check-intermediate-buffers t)
 
   ;; Display errors a little quicker (default is 0.9s)
   (setq flycheck-display-errors-delay 0.25)