diff --git a/app/app.go b/app/app.go
index 97a55009..6db5ca25 100644
--- a/app/app.go
+++ b/app/app.go
@@ -1175,7 +1175,7 @@ func (app *Haqq) setupUpgradeHandlers() {
 		}
 	case v164.UpgradeName:
 		storeUpgrades = &storetypes.StoreUpgrades{
-			Deleted: []string{coinomicstypes.ModuleName},
+			Added: []string{coinomicstypes.ModuleName},
 		}
 	default:
 		// no-op
diff --git a/app/upgrades/v1.6.4/upgrades.go b/app/upgrades/v1.6.4/upgrades.go
index 306e6eca..991007d6 100644
--- a/app/upgrades/v1.6.4/upgrades.go
+++ b/app/upgrades/v1.6.4/upgrades.go
@@ -6,6 +6,8 @@ import (
 	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
 )
 
+const ModuleName = "coinomics"
+
 // CreateUpgradeHandler creates an SDK upgrade handler for v1.6.4
 func CreateUpgradeHandler(
 	mm *module.Manager,
@@ -15,6 +17,16 @@ func CreateUpgradeHandler(
 		logger := ctx.Logger()
 		logger.Info("run migration v1.6.4")
 
+		storeKey := sdk.NewKVStoreKey(ModuleName)
+		store := ctx.KVStore(storeKey)
+
+		iterator := sdk.KVStorePrefixIterator(store, nil)
+		defer iterator.Close()
+
+		for ; iterator.Valid(); iterator.Next() {
+			store.Delete(iterator.Key())
+		}
+
 		return mm.RunMigrations(ctx, configurator, vm)
 	}
 }