diff --git a/x/ibc/keeper.go b/x/ibc/keeper.go
index 70491f099..f1994f380 100644
--- a/x/ibc/keeper.go
+++ b/x/ibc/keeper.go
@@ -37,6 +37,10 @@ func NewKeeper(storeKey sdk.StoreKey, paramSpace param.Subspace, codespace sdk.C
 	}
 }
 
+func (k *Keeper) SetSideChainKeeper(sidechainKeeper sidechain.Keeper) {
+	k.sideKeeper = sidechainKeeper
+}
+
 func (k *Keeper) CreateIBCSyncPackage(ctx sdk.Context, destChainName string, channelName string, packageLoad []byte) (uint64, sdk.Error) {
 	relayerFee, err := k.GetRelayerFeeParam(ctx, destChainName)
 	if err != nil {
diff --git a/x/stake/endblock.go b/x/stake/endblock.go
index c0722e7c5..dea407bd7 100644
--- a/x/stake/endblock.go
+++ b/x/stake/endblock.go
@@ -42,8 +42,7 @@ func EndBlocker(ctx sdk.Context, k keeper.Keeper) (validatorUpdates []abci.Valid
 
 	if len(storePrefixes) > 0 && sdk.IsUpgrade(sdk.SecondSunsetFork) {
 		for i := range storePrefixes {
-			sideChainCtx := ctx.WithSideChainKeyPrefix(storePrefixes[i])
-			events.AppendEvents(handleRefundStake(sideChainCtx, k))
+			events.AppendEvents(handleRefundStake(ctx, storePrefixes[i], k))
 		}
 	}
 
@@ -274,12 +273,13 @@ const (
 	maxProcessedRefundCount = 10
 )
 
-func handleRefundStake(ctx sdk.Context, k keeper.Keeper) sdk.Events {
-	iterator := k.IteratorAllDelegations(ctx)
+func handleRefundStake(ctx sdk.Context, sideChainPrefix []byte, k keeper.Keeper) sdk.Events {
+	sideChainCtx := ctx.WithSideChainKeyPrefix(sideChainPrefix)
+	iterator := k.IteratorAllDelegations(sideChainCtx)
 	defer iterator.Close()
 	var refundEvents sdk.Events
 	count := 0
-	boundDenom := k.BondDenom(ctx)
+	boundDenom := k.BondDenom(sideChainCtx)
 
 	for ; iterator.Valid(); iterator.Next() {
 		delegation := types.MustUnmarshalDelegation(k.CDC(), iterator.Key(), iterator.Value())