diff --git a/src/signal.c b/src/signal.c
index f1f682188..0dadd762c 100644
--- a/src/signal.c
+++ b/src/signal.c
@@ -120,6 +120,14 @@ int signal_init()
 
 	sigfillset(&blocked_sig);
 	sigdelset(&blocked_sig, SIGPROF);
+	/* man sigprocmask: If SIGBUS, SIGFPE, SIGILL, or SIGSEGV are
+	   generated while they are blocked, the result is undefined, unless
+	   the signal was generated by kill(2),
+	   sigqueue(3), or raise(3) */
+	sigdelset(&blocked_sig, SIGBUS);
+	sigdelset(&blocked_sig, SIGFPE);
+	sigdelset(&blocked_sig, SIGILL);
+	sigdelset(&blocked_sig, SIGSEGV);
 	for (sig = 0; sig < MAX_SIGNAL; sig++)
 		LIST_INIT(&signal_state[sig].handlers);