diff --git a/modules/time-calc-app/src/main/java/org/nanoboot/utils/timecalc/swing/progress/AnalogClock.java b/modules/time-calc-app/src/main/java/org/nanoboot/utils/timecalc/swing/progress/AnalogClock.java
index 87318bb..85164f9 100644
--- a/modules/time-calc-app/src/main/java/org/nanoboot/utils/timecalc/swing/progress/AnalogClock.java
+++ b/modules/time-calc-app/src/main/java/org/nanoboot/utils/timecalc/swing/progress/AnalogClock.java
@@ -104,7 +104,7 @@ public class AnalogClock extends Widget {
     }
 
     private int computeStartAngle() {
-        return computeAngle(startHourProperty.getValue(), startMinuteProperty.getValue());
+        return computeAngle(hourProperty.getValue(), minuteProperty.getValue());
     }
 
     private int computeEndAngle() {