diff --git a/src/server/BreCal/validators/validation_rule_functions.py b/src/server/BreCal/validators/validation_rule_functions.py
index e1c59ff..c8f00c6 100644
--- a/src/server/BreCal/validators/validation_rule_functions.py
+++ b/src/server/BreCal/validators/validation_rule_functions.py
@@ -99,9 +99,8 @@ class ValidationRuleBaseFunctions():
         delta = self.time_logic.time_delta_from_now_to_tgt(tgt_time=query_time, unit="m")
 
         # a violation occurs, when the delta (in minutes) exceeds the specified threshold of a participant
-        # to prevent past-events from triggering violations, negative values are ignored
-        # Violation, if 0 <= delta <= threshold
-        violation_state = (delta >= 0) and (delta<=threshold)
+        # Violation, if delta <= threshold
+        violation_state = (delta<=threshold)
         return violation_state
     
     def check_participants_agree_on_estimated_time(self, shipcall, query, df_times, applicable_shipcall_type)->bool: