diff --git a/lib/libedit/sig.c b/lib/libedit/sig.c
index 7e74869802530..3dcf6d25f8e07 100644
--- a/lib/libedit/sig.c
+++ b/lib/libedit/sig.c
@@ -167,7 +167,7 @@ sig_set(EditLine *el)
 	struct sigaction osa, nsa;
 
 	nsa.sa_handler = sig_handler;
-	nsa.sa_flags = 0;
+	nsa.sa_flags = SA_ONSTACK;
 	sigemptyset(&nsa.sa_mask);
 
 	sel = el;