2 files changed, 3 insertions, 3 deletions

diff --git a/src/wixext/DifxAppTableDefinitions.cs b/src/wixext/DifxAppTableDefinitions.cs
index 1ee33196..8c92c94f 100644
--- a/src/wixext/DifxAppTableDefinitions.cs
+++ b/src/wixext/DifxAppTableDefinitions.cs
@@ -8,13 +8,13 @@ namespace WixToolset.DifxApp
     {
         public static readonly TableDefinition MsiDriverPackages = new TableDefinition(
             "MsiDriverPackages",
+            DifxAppTupleDefinitions.MsiDriverPackages,
             new[]
             {
                 new ColumnDefinition("Component", ColumnType.String, 72, primaryKey: true, nullable: false, ColumnCategory.Identifier, keyTable: "Component", keyColumn: 1, description: "Name of the component that represents the driver package", modularizeType: ColumnModularizeType.Column),
                 new ColumnDefinition("Flags", ColumnType.Number, 4, primaryKey: false, nullable: false, ColumnCategory.Unknown, minValue: 0, maxValue: 31, description: "Flags for installing and uninstalling driver packages"),
                 new ColumnDefinition("Sequence", ColumnType.Number, 4, primaryKey: false, nullable: true, ColumnCategory.Unknown, minValue: 0, description: "Order in which the driver packages are processed"),
             },
-            tupleDefinitionName: DifxAppTupleDefinitions.MsiDriverPackages.Name,
             tupleIdIsPrimaryKey: false
         );
 
diff --git a/src/wixext/Tuples/MsiDriverPackagesTuple.cs b/src/wixext/Tuples/MsiDriverPackagesTuple.cs
index a1063972..9c57e47c 100644
--- a/src/wixext/Tuples/MsiDriverPackagesTuple.cs
+++ b/src/wixext/Tuples/MsiDriverPackagesTuple.cs
@@ -54,9 +54,9 @@ namespace WixToolset.DifxApp.Tuples
             set => this.Set((int)MsiDriverPackagesTupleFields.Flags, value);
         }
 
-        public int Sequence
+        public int? Sequence
         {
-            get => this.Fields[(int)MsiDriverPackagesTupleFields.Sequence].AsNumber();
+            get => this.Fields[(int)MsiDriverPackagesTupleFields.Sequence].AsNullableNumber();
             set => this.Set((int)MsiDriverPackagesTupleFields.Sequence, value);
         }
     }