diff --git a/eventbus/driver/nats.go b/eventbus/driver/nats.go
index b940bc5d3a..7be2b7b9d9 100644
--- a/eventbus/driver/nats.go
+++ b/eventbus/driver/nats.go
@@ -190,7 +190,7 @@ func (n *natsStreaming) SubscribeEventSources(ctx context.Context, conn Connecti
 				log.Debugf("finished evicting %v cached IDs, time cost: %v ms", num, (time.Now().UnixNano()-now)/1000/1000)
 			case <-resetConditionsCh:
 				log.Info("reset conditions")
-				msgHolder.setLastResetTime(time.Now().Unix())
+				msgHolder.setLastResetTime(time.Now())
 			}
 		}
 	}()
@@ -260,7 +260,7 @@ func (n *natsStreaming) processEventSourceMsg(m *stan.Msg, msgHolder *eventSourc
 	}
 
 	// Acknowledge any old messages that occurred before the last reset (standard reset after trigger or conditional reset)
-	if m.Timestamp/1e9 <= msgHolder.getLastResetTime() {
+	if m.Timestamp <= msgHolder.getLastResetTime().UnixNano() {
 		if depName != "" {
 			msgHolder.reset(depName)
 		}
@@ -326,7 +326,7 @@ func (n *natsStreaming) processEventSourceMsg(m *stan.Msg, msgHolder *eventSourc
 		log.Infow("trigger conditions not met", zap.Any("meetDependencies", meetDeps), zap.Any("meetEvents", meetMsgIds))
 		return
 	}
-	msgHolder.setLastResetTime(now)
+	msgHolder.setLastResetTime(time.Now())
 	// Trigger actions
 	messages := make(map[string]cloudevents.Event)
 	for k, v := range msgHolder.msgs {
@@ -353,7 +353,7 @@ type eventSourceMessage struct {
 type eventSourceMessageHolder struct {
 	// time that resets conditions, usually the time all conditions meet,
 	// or the time getting an external signal to reset.
-	lastResetTime int64
+	lastResetTime time.Time
 	// if we reach this time, we reset everything (occurs 60 seconds after lastResetTime)
 	resetTimeout int64
 	expr         *govaluate.EvaluableExpression
@@ -394,7 +394,7 @@ func newEventSourceMessageHolder(logger *zap.SugaredLogger, dependencyExpr strin
 	}
 
 	return &eventSourceMessageHolder{
-		lastResetTime: lastResetTime.Unix(),
+		lastResetTime: lastResetTime,
 		expr:          expression,
 		depNames:      deps,
 		sourceDepMap:  srcDepMap,
@@ -406,19 +406,19 @@ func newEventSourceMessageHolder(logger *zap.SugaredLogger, dependencyExpr strin
 	}, nil
 }
 
-func (mh *eventSourceMessageHolder) getLastResetTime() int64 {
+func (mh *eventSourceMessageHolder) getLastResetTime() time.Time {
 	mh.lock.RLock()
 	defer mh.lock.RUnlock()
 	return mh.lastResetTime
 }
 
-func (mh *eventSourceMessageHolder) setLastResetTime(t int64) {
+func (mh *eventSourceMessageHolder) setLastResetTime(t time.Time) {
 	{
 		mh.lock.Lock() // since this can be called asyncronously as part of a ConditionReset, we neeed to lock this code
 		defer mh.lock.Unlock()
 		mh.lastResetTime = t
 	}
-	mh.setResetTimeout(t + 60) // failsafe condition: determine if we for some reason we haven't acknowledged all dependencies within 60 seconds of the lastResetTime
+	mh.setResetTimeout(t.Add(time.Second * 60).Unix()) // failsafe condition: determine if we for some reason we haven't acknowledged all dependencies within 60 seconds of the lastResetTime
 }
 
 func (mh *eventSourceMessageHolder) setResetTimeout(t int64) {
@@ -472,6 +472,7 @@ func (mh *eventSourceMessageHolder) resetAll() {
 	for k := range mh.msgs {
 		delete(mh.msgs, k)
 	}
+
 	for k := range mh.parameters {
 		mh.parameters[k] = false
 	}