diff --git a/core/src/main/java/de/srsoftware/umbrella/core/Constants.java b/core/src/main/java/de/srsoftware/umbrella/core/Constants.java
index 629838e..b94d08c 100644
--- a/core/src/main/java/de/srsoftware/umbrella/core/Constants.java
+++ b/core/src/main/java/de/srsoftware/umbrella/core/Constants.java
@@ -167,6 +167,7 @@ public class Constants {
 	public static final String TITLE = "title";
 	public static final String TIMESTAMP = "timestamp";
 	public static final String TOKEN = "token";
+	public static final String TOTAL_PRIO = "total_prio";
 	public static final String TYPE = "type";
 
 	public static final String UMBRELLA = "Umbrella";
diff --git a/core/src/main/java/de/srsoftware/umbrella/core/model/Task.java b/core/src/main/java/de/srsoftware/umbrella/core/model/Task.java
index 6084bde..5944021 100644
--- a/core/src/main/java/de/srsoftware/umbrella/core/model/Task.java
+++ b/core/src/main/java/de/srsoftware/umbrella/core/model/Task.java
@@ -230,14 +230,23 @@ public class Task implements Mappable {
 		map.put(ESTIMATED_TIME, estimatedTime);
 		map.put(START_DATE,start);
 		map.put(DUE_DATE,dueDate);
-		map.put(SHOW_CLOSED,showClosed);
 		map.put(NO_INDEX,noIndex);
 		map.put(MEMBERS,memberMap);
 		map.put(REQUIRED_TASKS_IDS,requiredTasksIds);
+		map.put(SHOW_CLOSED,showClosed);
+		map.put(TOTAL_PRIO,totalPrio());
 
 		return map;
 	}
 
+	private int totalPrio() {
+		if (dueDate == null) return priority;
+		var diff = (int) (dueDate.toEpochDay()-LocalDate.now().toEpochDay());
+		if (diff <= 0) return priority + 100; // due date has passed
+		if (diff < 100) return priority + 100 - diff; // due within the next 100 days
+		return priority;
+	}
+
 
 	@Override
 	public String toString() {
diff --git a/frontend/src/routes/project/KanbanCard.svelte b/frontend/src/routes/project/KanbanCard.svelte
index 69e6fc9..3d5e47f 100644
--- a/frontend/src/routes/project/KanbanCard.svelte
+++ b/frontend/src/routes/project/KanbanCard.svelte
@@ -2,7 +2,7 @@
     let { onclick, ondragstart, task } = $props();
 </script>
 
-<div draggable="true" class={`box prio_${task.priority} p${Math.floor(task.priority/10)*10} p${task.priority % 10}`} {onclick} {ondragstart} >
+<div draggable="true" class={`box prio_${task.total_prio} p${Math.floor(task.total_prio/10)*10} p${task.total_prio % 10}`} {onclick} {ondragstart} >
     <span class="title">{task.name}</span>
     {#if task.estimated_time}
     <span class="estimate">
diff --git a/frontend/src/routes/task/View.svelte b/frontend/src/routes/task/View.svelte
index 8820f51..efeab55 100644
--- a/frontend/src/routes/task/View.svelte
+++ b/frontend/src/routes/task/View.svelte
@@ -181,7 +181,7 @@
 <span class="error">{error}</span>
 {/if}
 {#if task}
-<div class={`task grid2 prio_${task.priority} p${Math.floor(task.priority/10)*10} p${task.priority % 10}`} >
+<div class={`task grid2 prio_${task.total_prio} p${Math.floor(task.total_prio/10)*10} p${task.total_prio % 10}`} >
     {#if project}
     <div>{t('project')}</div>
     <div class="project">