diff --git a/java/com.sap.sailing.dashboards.gwt/SailingDashboardsGWT.launch b/java/com.sap.sailing.dashboards.gwt/SailingDashboardsGWT.launch
index f9b334a695d..f6c7bd03e29 100755
--- a/java/com.sap.sailing.dashboards.gwt/SailingDashboardsGWT.launch
+++ b/java/com.sap.sailing.dashboards.gwt/SailingDashboardsGWT.launch
@@ -1,47 +1,47 @@
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diff --git a/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/DynamicTrackedRaceImpl.java b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/DynamicTrackedRaceImpl.java
index 038478a20ae..2c51a3fb80c 100755
--- a/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/DynamicTrackedRaceImpl.java
+++ b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/tracking/impl/DynamicTrackedRaceImpl.java
@@ -660,7 +660,8 @@ DynamicTrackedRace, GPSTrackListener {
if ((startOfTracking == null || !startOfTracking.minus(TrackedRaceImpl.TIME_BEFORE_START_TO_TRACK_WIND_MILLIS).after(wind.getTimePoint()) ||
(startOfRace != null && !startOfRace.minus(TrackedRaceImpl.TIME_BEFORE_START_TO_TRACK_WIND_MILLIS).after(wind.getTimePoint())))
&&
- (endOfTracking == null || endOfTracking.plus(TimingConstants.IS_LIVE_GRACE_PERIOD_IN_MILLIS).after(wind.getTimePoint()) ||
+ // Caution: don't add to endOfTracking; it may be the end of time, leading to a wrap-around / overflow
+ (endOfTracking == null || endOfTracking.after(wind.getTimePoint().minus(TimingConstants.IS_LIVE_GRACE_PERIOD_IN_MILLIS)) ||
(endOfRace != null && endOfRace.plus(TimingConstants.IS_LIVE_GRACE_PERIOD_IN_MILLIS).after(wind.getTimePoint())))) {
result = getOrCreateWindTrack(windSource).add(wind);
updated(/* time point */null); // wind events shouldn't advance race time
diff --git a/java/com.sap.sailing.gwt.ui/SailingGWT sdm.launch b/java/com.sap.sailing.gwt.ui/SailingGWT sdm.launch
index b5f045696ce..3589088c95b 100644
--- a/java/com.sap.sailing.gwt.ui/SailingGWT sdm.launch
+++ b/java/com.sap.sailing.gwt.ui/SailingGWT sdm.launch
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diff --git a/java/com.sap.sailing.gwt.ui/SailingGWT.launch b/java/com.sap.sailing.gwt.ui/SailingGWT.launch
index 4d5f5817826..ae72a466d25 100644
--- a/java/com.sap.sailing.gwt.ui/SailingGWT.launch
+++ b/java/com.sap.sailing.gwt.ui/SailingGWT.launch
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