diff --git a/BTCPayServer.Data/Migrations/20170913143004_Init.cs b/BTCPayServer.Data/Migrations/20170913143004_Init.cs
index e77143dac..d86651694 100644
--- a/BTCPayServer.Data/Migrations/20170913143004_Init.cs
+++ b/BTCPayServer.Data/Migrations/20170913143004_Init.cs
@@ -114,8 +114,8 @@ namespace BTCPayServer.Migrations
                 name: "AspNetUserLogins",
                 columns: table => new
                 {
-                    LoginProvider = table.Column<string>(nullable: false),
-                    ProviderKey = table.Column<string>(nullable: false),
+                    LoginProvider = table.Column<string>(nullable: false, maxLength: 255),
+                    ProviderKey = table.Column<string>(nullable: false, maxLength: 255),
                     ProviderDisplayName = table.Column<string>(nullable: true),
                     UserId = table.Column<string>(nullable: false, maxLength: maxLength)
                 },
@@ -159,8 +159,8 @@ namespace BTCPayServer.Migrations
                 columns: table => new
                 {
                     UserId = table.Column<string>(nullable: false, maxLength: maxLength),
-                    LoginProvider = table.Column<string>(nullable: false),
-                    Name = table.Column<string>(nullable: false),
+                    LoginProvider = table.Column<string>(nullable: false, maxLength: 64),
+                    Name = table.Column<string>(nullable: false, maxLength: 64),
                     Value = table.Column<string>(nullable: true)
                 },
                 constraints: table =>
diff --git a/BTCPayServer.Data/Migrations/20171010082424_Tokens.cs b/BTCPayServer.Data/Migrations/20171010082424_Tokens.cs
index 1e46a7a66..5fad5ceb8 100644
--- a/BTCPayServer.Data/Migrations/20171010082424_Tokens.cs
+++ b/BTCPayServer.Data/Migrations/20171010082424_Tokens.cs
@@ -22,7 +22,7 @@ namespace BTCPayServer.Migrations
                     Label = table.Column<string>(nullable: true),
                     Name = table.Column<string>(nullable: true),
                     PairingTime = table.Column<DateTimeOffset>(nullable: false),
-                    SIN = table.Column<string>(nullable: true),
+                    SIN = table.Column<string>(nullable: true, maxLength: maxLength),
                     StoreDataId = table.Column<string>(nullable: true, maxLength: maxLength)
                 },
                 constraints: table =>
diff --git a/BTCPayServer.Data/Migrations/20171024163354_RenewUsedAddresses.cs b/BTCPayServer.Data/Migrations/20171024163354_RenewUsedAddresses.cs
index 2f75e139d..ae308e5c1 100644
--- a/BTCPayServer.Data/Migrations/20171024163354_RenewUsedAddresses.cs
+++ b/BTCPayServer.Data/Migrations/20171024163354_RenewUsedAddresses.cs
@@ -23,7 +23,7 @@ namespace BTCPayServer.Migrations
                 columns: table => new
                 {
                     InvoiceDataId = table.Column<string>(nullable: false, maxLength: maxLength),
-                    Address = table.Column<string>(nullable: false),
+                    Address = table.Column<string>(nullable: false, maxLength: this.IsMySql(migrationBuilder.ActiveProvider) ? (int?)512 : null),
                     Assigned = table.Column<DateTimeOffset>(nullable: false),
                     UnAssigned = table.Column<DateTimeOffset>(nullable: true)
                 },