diff --git a/uhabits-core/src/main/java/org/isoron/uhabits/core/utils/DateUtils.java b/uhabits-core/src/main/java/org/isoron/uhabits/core/utils/DateUtils.java
index 5ae6764ee..a03a6da43 100644
--- a/uhabits-core/src/main/java/org/isoron/uhabits/core/utils/DateUtils.java
+++ b/uhabits-core/src/main/java/org/isoron/uhabits/core/utils/DateUtils.java
@@ -108,7 +108,6 @@ public abstract class DateUtils
         String[] days = new String[7];
 
         Calendar calendar = new GregorianCalendar();
-        calendar.setFirstDayOfWeek(SATURDAY);
         calendar.set(DAY_OF_WEEK, calendar.getFirstDayOfWeek());
         for (int i = 0; i < days.length; i++)
         {
@@ -128,7 +127,6 @@ public abstract class DateUtils
     {
         Integer[] dayNumbers = new Integer[7];
         Calendar calendar = new GregorianCalendar();
-        calendar.setFirstDayOfWeek(SATURDAY);
         calendar.set(DAY_OF_WEEK, calendar.getFirstDayOfWeek());
         for (int i = 0; i < dayNumbers.length; i++)
         {