diff --git a/scsh/linux/signals.scm b/scsh/linux/signals.scm
index dd945b8..ab520ca 100644
--- a/scsh/linux/signals.scm
+++ b/scsh/linux/signals.scm
@@ -40,4 +40,6 @@
   (unused	31)
   )
 
+(define signals-ignored-by-default
+  (list signal/chld signal/cont signal/winch))