diff --git a/init.el b/init.el
index 3ba97de..d12dfb9 100644
--- a/init.el
+++ b/init.el
@@ -35,6 +35,8 @@
   (setq gc-cons-threshold 402653184
         gc-cons-percentage 0.6)
 
+  (setq read-process-output-max (* 1024 1024)) ;; 1mb
+
   ;; Reset GC to normal values.
   (add-hook 'emacs-startup-hook
             (lambda ()