diff --git a/udev.c b/udev.c
index efeb1b5050..e71cddd3ee 100644
--- a/udev.c
+++ b/udev.c
@@ -108,6 +108,7 @@ int main(int argc, char *argv[], char *envp[])
 	udev_init_config();
 
 	/* set signal handlers */
+	memset(&act, 0x00, sizeof(act));
 	act.sa_handler = (void (*) (int))sig_handler;
 	sigemptyset (&act.sa_mask);
 	act.sa_flags = 0;