diff --git a/src/sighandler.c b/src/sighandler.c
index b1e7d166..1a161d2a 100644
--- a/src/sighandler.c
+++ b/src/sighandler.c
@@ -305,6 +305,8 @@ void handle_signal(int sig, siginfo_t *info, void *data) {
 
     struct sigaction action;
     action.sa_handler = SIG_DFL;
+    action.sa_flags = 0;
+    sigemptyset(&action.sa_mask);
     sigaction(sig, &action, NULL);
     raised_signal = sig;