diff --git a/li.strolch.utils/src/main/java/li/strolch/utils/time/PeriodHelper.java b/li.strolch.utils/src/main/java/li/strolch/utils/time/PeriodHelper.java
index 0c2518901..5b8f08c55 100644
--- a/li.strolch.utils/src/main/java/li/strolch/utils/time/PeriodHelper.java
+++ b/li.strolch.utils/src/main/java/li/strolch/utils/time/PeriodHelper.java
@@ -250,6 +250,6 @@ public class PeriodHelper {
 		if (shiftHours < 24)
 			return date;
 
-		return date.plusDays(shiftHours / 24);
+		return date.plusDays((shiftHours / 24) - 1);
 	}
 }