diff --git a/jsdate.c b/jsdate.c
index 998a547..a3a8d14 100644
--- a/jsdate.c
+++ b/jsdate.c
@@ -132,7 +132,7 @@ static int DateFromTime(double t)
 
 static int WeekDay(double t)
 {
-    return (Day(t) + 4) % 7;
+	return (Day(t) + 4) % 7;
 }
 
 static double LocalTime(double utc)