diff --git a/BTCPayServer.Data/Migrations/20200625064111_refundnotificationpullpayments.cs b/BTCPayServer.Data/Migrations/20200625064111_refundnotificationpullpayments.cs
index 565a9542d..ef9d29205 100644
--- a/BTCPayServer.Data/Migrations/20200625064111_refundnotificationpullpayments.cs
+++ b/BTCPayServer.Data/Migrations/20200625064111_refundnotificationpullpayments.cs
@@ -11,13 +11,16 @@ namespace BTCPayServer.Migrations
     {
         protected override void Up(MigrationBuilder migrationBuilder)
         {
+            int? maxLength = this.IsMySql(migrationBuilder.ActiveProvider) ? (int?)255 : null;
+
             migrationBuilder.DropTable(
                 name: "RefundAddresses");
 
             migrationBuilder.AddColumn<string>(
                 name: "CurrentRefundId",
                 table: "Invoices",
-                nullable: true);
+                nullable: true,
+		maxLength: maxLength);
 
             migrationBuilder.CreateTable(
                 name: "Notifications",
@@ -73,7 +76,7 @@ namespace BTCPayServer.Migrations
                     PullPaymentDataId = table.Column<string>(maxLength: 30, nullable: true),
                     State = table.Column<string>(maxLength: 20, nullable: false),
                     PaymentMethodId = table.Column<string>(maxLength: 20, nullable: false),
-                    Destination = table.Column<string>(nullable: true),
+                    Destination = table.Column<string>(maxLength: maxLength, nullable: true),
                     Blob = table.Column<byte[]>(nullable: true),
                     Proof = table.Column<byte[]>(nullable: true)
                 },
@@ -92,8 +95,8 @@ namespace BTCPayServer.Migrations
                 name: "Refunds",
                 columns: table => new
                 {
-                    InvoiceDataId = table.Column<string>(nullable: false),
-                    PullPaymentDataId = table.Column<string>(nullable: false)
+                    InvoiceDataId = table.Column<string>(maxLength: maxLength, nullable: false),
+                    PullPaymentDataId = table.Column<string>(maxLength: maxLength, nullable: false)
                 },
                 constraints: table =>
                 {
diff --git a/BTCPayServer.Data/Migrations/20201108054749_webhooks.cs b/BTCPayServer.Data/Migrations/20201108054749_webhooks.cs
index fcf1d6739..34cee3df0 100644
--- a/BTCPayServer.Data/Migrations/20201108054749_webhooks.cs
+++ b/BTCPayServer.Data/Migrations/20201108054749_webhooks.cs
@@ -27,8 +27,8 @@ namespace BTCPayServer.Migrations
                 name: "StoreWebhooks",
                 columns: table => new
                 {
-                    StoreId = table.Column<string>(nullable: false),
-                    WebhookId = table.Column<string>(nullable: false)
+                    StoreId = table.Column<string>(maxLength: 50, nullable: false),
+                    WebhookId = table.Column<string>(maxLength: 25, nullable: false)
                 },
                 constraints: table =>
                 {
@@ -71,8 +71,8 @@ namespace BTCPayServer.Migrations
                 name: "InvoiceWebhookDeliveries",
                 columns: table => new
                 {
-                    InvoiceId = table.Column<string>(nullable: false),
-                    DeliveryId = table.Column<string>(nullable: false)
+                    InvoiceId = table.Column<string>(maxLength: 255, nullable: false),
+                    DeliveryId = table.Column<string>(maxLength: 100, nullable: false)
                 },
                 constraints: table =>
                 {
diff --git a/BTCPayServer.Data/Migrations/20201208054211_invoicesorderindex.cs b/BTCPayServer.Data/Migrations/20201208054211_invoicesorderindex.cs
index 3bc12a32f..a93f4198f 100644
--- a/BTCPayServer.Data/Migrations/20201208054211_invoicesorderindex.cs
+++ b/BTCPayServer.Data/Migrations/20201208054211_invoicesorderindex.cs
@@ -10,7 +10,17 @@ namespace BTCPayServer.Migrations
     {
         protected override void Up(MigrationBuilder migrationBuilder)
         {
-            migrationBuilder.CreateIndex(
+            if (!migrationBuilder.IsSqlite())
+            {
+                migrationBuilder.AlterColumn<string>(
+                    name: "OrderId",
+                    table: "Invoices",
+                    maxLength: 100,
+                    nullable: true,
+                    oldClrType: typeof(string));
+            }
+
+	        migrationBuilder.CreateIndex(
                 name: "IX_Invoices_OrderId",
                 table: "Invoices",
                 column: "OrderId");
diff --git a/BTCPayServer.Data/Migrations/20201228225040_AddingInvoiceSearchesTable.cs b/BTCPayServer.Data/Migrations/20201228225040_AddingInvoiceSearchesTable.cs
index 9e7aca3db..6cd16b38f 100644
--- a/BTCPayServer.Data/Migrations/20201228225040_AddingInvoiceSearchesTable.cs
+++ b/BTCPayServer.Data/Migrations/20201228225040_AddingInvoiceSearchesTable.cs
@@ -21,8 +21,8 @@ namespace BTCPayServer.Migrations
                         .Annotation("MySql:ValueGeneratedOnAdd", true)
                         .Annotation("Sqlite:Autoincrement", true),
                         // eof manually added
-                    InvoiceDataId = table.Column<string>(nullable: true),
-                    Value = table.Column<string>(nullable: true)
+                    InvoiceDataId = table.Column<string>(maxLength: 255, nullable: true),
+                    Value = table.Column<string>(maxLength: 512, nullable: true)
                 },
                 constraints: table =>
                 {