diff --git a/templates/uptime.cpp b/templates/uptime.cpp
index 63a4e1a..cf4f001 100755
--- a/templates/uptime.cpp
+++ b/templates/uptime.cpp
@@ -44,9 +44,9 @@ char buf[50];
 	time_t hour = min / 60;
 
 	if( hour == 0 && min == 0 )
-		sprintf(buf, "%d:%02d:%02d", hour, min, sec);
+		sprintf(buf, "%d:%02d:%02d", (int)hour, (int)min, (int)sec);
 	else
-		sprintf(buf, "%d:%02d", hour, min);
+		sprintf(buf, "%d:%02d", (int)hour, (int)min);
 
 	i.out << buf;
 }