diff --git a/src/server/BreCal/validators/validation_rule_functions.py b/src/server/BreCal/validators/validation_rule_functions.py
index 9e6df51..98fff6e 100644
--- a/src/server/BreCal/validators/validation_rule_functions.py
+++ b/src/server/BreCal/validators/validation_rule_functions.py
@@ -107,7 +107,7 @@ class ValidationRuleBaseFunctions():
         violation_state = (delta<=threshold)
         return violation_state
 
-    def check_participants_agree_on_estimated_time(self, shipcall, query, df_times, applicable_shipcall_type, threshold:int=3600)->bool:
+    def check_participants_agree_on_estimated_time(self, shipcall, query, df_times, applicable_shipcall_type, threshold:int=3660)->bool:
         """
         # base function for all validation rules in the group {0002} A-C