diff --git a/trydevpoll.c b/trydevpoll.c
index 95e94f8..a17ab39 100644
--- a/trydevpoll.c
+++ b/trydevpoll.c
@@ -11,7 +11,7 @@
 #include <netinet/in.h>
 #include <sys/devpoll.h>
 
-main() {
+int main() {
   int fd=open("/dev/poll",O_RDWR);
   struct pollfd p[100];
   int i,r;