diff --git a/zeitlaeufer/src/main/java/de/szimnau/LoadingBar.java b/zeitlaeufer/src/main/java/de/szimnau/LoadingBar.java
index f7c3665..fec2ac7 100644
--- a/zeitlaeufer/src/main/java/de/szimnau/LoadingBar.java
+++ b/zeitlaeufer/src/main/java/de/szimnau/LoadingBar.java
@@ -367,12 +367,11 @@ public class LoadingBar extends AbstractProgressBar {
 
 
    private long getMinLunchDuration(int endTimeOffset) {
-      if (endTimeOffset == 0) {
+      if (endTimeOffset <= 0) {
          return MIN_LUNCH_DURATION;
       }
       long totalDuration = MAX_NUMBER_WORK_MINS + endTimeOffset;
-      long effectiveLunchDuration = totalDuration - MAX_NUMBER_WORK_MINS_WITHOUT_LUNCH;
-      return getMinLunchDuration(effectiveLunchDuration);
+      return getMinLunchDuration(totalDuration);
    }
 
 
@@ -381,12 +380,12 @@ public class LoadingBar extends AbstractProgressBar {
          return MIN_LUNCH_DURATION;
       }
       long totalDuration = getStartTime().until(manualEndTime, ChronoUnit.MINUTES);
-      long effectiveLunchDuration = totalDuration - MAX_NUMBER_WORK_MINS_WITHOUT_LUNCH;
-      return getMinLunchDuration(effectiveLunchDuration);
+      return getMinLunchDuration(totalDuration);
    }
 
 
-   private long getMinLunchDuration(long effectiveLunchDuration) {
+   private long getMinLunchDuration(long precalculatedTotalDuration) {
+      long effectiveLunchDuration = precalculatedTotalDuration - MAX_NUMBER_WORK_MINS_WITHOUT_LUNCH;
       if (effectiveLunchDuration < 0) {
          effectiveLunchDuration = 0;
       }