diff --git a/src/main/java/de/ph87/homeautomation/schedule/entry/ScheduleEntry.java b/src/main/java/de/ph87/homeautomation/schedule/entry/ScheduleEntry.java
index e227628..1e1c750 100644
--- a/src/main/java/de/ph87/homeautomation/schedule/entry/ScheduleEntry.java
+++ b/src/main/java/de/ph87/homeautomation/schedule/entry/ScheduleEntry.java
@@ -92,12 +92,14 @@ public class ScheduleEntry {
 
   public void setNextClearTimestamp(final ZonedDateTime next) {
     nextClearTimestamp = next;
-    if (nextClearTimestamp == null) {
-      nextFuzzyTimestamp = null;
-    } else {
+    nextFuzzyTimestamp = null;
+    if (nextClearTimestamp != null) {
       final int rangeFull = 2 * fuzzySeconds;
-      final int fuzzySeconds = rangeFull > 0 ? RANDOM.nextInt(rangeFull) - this.fuzzySeconds : 0;
-      nextFuzzyTimestamp = nextClearTimestamp.plusSeconds(fuzzySeconds);
+      final ZonedDateTime min = ZonedDateTime.now().plusMinutes(1);
+      while (nextFuzzyTimestamp == null || nextFuzzyTimestamp.isBefore(min)) {
+        final int fuzzySeconds = rangeFull > 0 ? RANDOM.nextInt(rangeFull) - this.fuzzySeconds : 0;
+        nextFuzzyTimestamp = nextClearTimestamp.plusSeconds(fuzzySeconds);
+      }
     }
   }