diff --git a/master/master.c b/master/master.c
index 823be06..f2ca72e 100644
--- a/master/master.c
+++ b/master/master.c
@@ -1064,7 +1064,11 @@ void sigalrm_handler(int sig __attribute__((unused)))
 void sighandler_setup(void)
 {
     struct sigaction action;
-    
+    sigset_t all_signals;
+
+    sigfillset(&all_signals);
+    sigprocmask(SIG_UNBLOCK, &all_signals, NULL);
+
     sigemptyset(&action.sa_mask);
     action.sa_flags = 0;