diff --git a/pkg/mcs/resourcemanager/server/token_buckets.go b/pkg/mcs/resourcemanager/server/token_buckets.go
index 9291d9b57185..f63a4741f9bc 100644
--- a/pkg/mcs/resourcemanager/server/token_buckets.go
+++ b/pkg/mcs/resourcemanager/server/token_buckets.go
@@ -131,10 +131,9 @@ func (gts *GroupTokenBucketState) balanceSlotTokens(
 		// Only slots that require a positive number will be considered alive,
 		// but still need to allocate the elapsed tokens as well.
 		if requiredToken != 0 {
-			slot = &TokenSlot{}
+			slot = &TokenSlot{lastReqTime: now}
 			gts.tokenSlots[clientUniqueID] = slot
 			gts.clientConsumptionTokensSum = 0
-			slot.lastReqTime = now
 		}
 	} else {
 		slot.lastReqTime = now