diff --git a/core/mule.c b/core/mule.c
index 0b972027..1540af7c 100644
--- a/core/mule.c
+++ b/core/mule.c
@@ -350,7 +350,7 @@ next:
 					uwsgi_log_verbose("master sent signal %d to mule %d\n", uwsgi_signal, uwsgi.muleid);
 #endif
 					if (uwsgi_signal_handler(uwsgi_signal)) {
-						uwsgi_log_verbose("error managing signal %d on mule %d\n", uwsgi_signal, uwsgi.mywid);
+						uwsgi_log_verbose("error managing signal %d on mule %d\n", uwsgi_signal, uwsgi.muleid);
 					}
 					// set the error condition
 					len = -1;
diff --git a/core/signal.c b/core/signal.c
index 5657776b..3d161a0e 100644
--- a/core/signal.c
+++ b/core/signal.c
@@ -6,6 +6,8 @@ int uwsgi_signal_handler(uint8_t sig) {
 
 	struct uwsgi_signal_entry *use = NULL;
 
+	uwsgi_log("WID = %d\n", uwsgi.mywid);
+
 	int pos = (uwsgi.mywid * 256) + sig;
 
 	use = &uwsgi.shared->signal_table[pos];
diff --git a/core/spooler.c b/core/spooler.c
index f79f6a42..3c723f3a 100644
--- a/core/spooler.c
+++ b/core/spooler.c
@@ -108,7 +108,6 @@ pid_t spooler_start(struct uwsgi_spooler * uspool) {
                 signal(SIGSTOP, SIG_IGN);
                 signal(SIGTSTP, SIG_IGN);
 
-		uwsgi.mywid = -1;
 		uwsgi.mypid = getpid();
 		uspool->pid = uwsgi.mypid;
 		// avoid race conditions !!!
diff --git a/plugins/psgi/psgi_plugin.c b/plugins/psgi/psgi_plugin.c
index 4ecfa551..7b2ad0d1 100644
--- a/plugins/psgi/psgi_plugin.c
+++ b/plugins/psgi/psgi_plugin.c
@@ -668,7 +668,7 @@ void uwsgi_perl_run_hook(SV *hook) {
 }
 
 static void uwsgi_perl_atexit() {
-	if (uwsgi.mywid == -1) goto realstuff;
+	if (uwsgi.mywid == 0) goto realstuff;
 
         // if hijacked do not run atexit hooks
         if (uwsgi.workers[uwsgi.mywid].hijacked)
diff --git a/plugins/python/python_plugin.c b/plugins/python/python_plugin.c
index 8c02617f..761a7b8e 100644
--- a/plugins/python/python_plugin.c
+++ b/plugins/python/python_plugin.c
@@ -290,7 +290,7 @@ void uwsgi_python_reset_random_seed() {
 
 void uwsgi_python_atexit() {
 
-	if (uwsgi.mywid == -1) goto realstuff;
+	if (uwsgi.mywid == 0) goto realstuff;
 
 	// if hijacked do not run atexit hooks
 	if (uwsgi.workers[uwsgi.mywid].hijacked)