diff --git a/netris/curses.c b/netris/curses.c
index 14e9ce4..22171de 100644
--- a/netris/curses.c
+++ b/netris/curses.c
@@ -257,10 +257,10 @@ ExtFunc void PlotUnderline(int scr, int x, int flag)
 ExtFunc void ShowDisplayInfo(void)
 {
 	move(statusYPos - 9, statusXPos);
-	printw("Seed: %d", initSeed);
+	printw("Seed: %ld", initSeed);
 	clrtoeol();
 	move(statusYPos - 8, statusXPos);
-	printw("Speed: %dms", speed / 1000);
+	printw("Speed: %ldms", speed / 1000);
 	clrtoeol();
 	if (robotEnable) {
 		move(statusYPos - 6, statusXPos);