diff --git a/build.gradle b/build.gradle
index 88f8434..7f4c527 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ plugins {
 }
 
 group = 'de.jottyfan'
-version = '1.2.5'
+version = '1.2.6'
 sourceCompatibility = '11'
 
 ext['spring-framework.version'] = '5.3.18'
diff --git a/src/main/java/de/jottyfan/timetrack/spring/done/SummaryBean.java b/src/main/java/de/jottyfan/timetrack/spring/done/SummaryBean.java
index 0ab1011..7deda5b 100644
--- a/src/main/java/de/jottyfan/timetrack/spring/done/SummaryBean.java
+++ b/src/main/java/de/jottyfan/timetrack/spring/done/SummaryBean.java
@@ -168,7 +168,9 @@ public class SummaryBean implements Serializable {
 	public String getOverdue() {
 		Duration overdue = getTotalTime().minus(maxDayWorktime);
 		int minutes = overdue.toMinutesPart();
-		minutes = minutes < 0 ? (-1 * minutes) : minutes;
-		return String.format("%02d:%02d", overdue.toHours(), minutes);
+		boolean negative = minutes < 0;
+		minutes = negative ? (-1 * minutes) : minutes;
+		String result = String.format("%02d:%02d", overdue.toHours(), minutes);
+		return negative ? "-" + result : result;
 	}
 }