diff --git a/Eask b/Eask
index 1af2bc84a5e..4e06d8593f5 100644
--- a/Eask
+++ b/Eask
@@ -51,4 +51,7 @@
 
 (setq network-security-level 'low)  ; see https://github.com/jcs090218/setup-emacs-windows/issues/156#issuecomment-932956432
 
-(setq byte-compile-docstring-max-column 1000)
+(add-hook 'eask-before-compile-hook
+           (lambda ()
+             (setq byte-compile-error-on-warn t)
+             (setq byte-compile-docstring-max-column 1000)))