diff --git a/BizHawk.Client.Common/movie/tasproj/TasMovie.cs b/BizHawk.Client.Common/movie/tasproj/TasMovie.cs
index 47f89d27e3..6926212c83 100644
--- a/BizHawk.Client.Common/movie/tasproj/TasMovie.cs
+++ b/BizHawk.Client.Common/movie/tasproj/TasMovie.cs
@@ -109,6 +109,11 @@ namespace BizHawk.Client.Common
 			Changes = false;
 		}
 
+		public void FlagChanges() // TODO: it is pointless to have these two methods rather than a public setter
+		{
+			Changes = true;
+		}
+
 		public override void StartNewRecording()
 		{
 			LagLog.Clear();
diff --git a/BizHawk.Client.EmuHawk/tools/TAStudio/InputRoll.cs b/BizHawk.Client.EmuHawk/tools/TAStudio/InputRoll.cs
index 4bbb685af0..799cd3b8b6 100644
--- a/BizHawk.Client.EmuHawk/tools/TAStudio/InputRoll.cs
+++ b/BizHawk.Client.EmuHawk/tools/TAStudio/InputRoll.cs
@@ -273,6 +273,10 @@ namespace BizHawk.Client.EmuHawk
 		[Category("Behavior")]
 		public event RightMouseScrollEventHandler RightMouseScrolled;
 
+		[Category("Property Changed")]
+		[Description("Occurs when the column header has been reordered")]
+		public event ColumnReorderedEventHandler ColumnReordered;
+
 		/// <summary>
 		/// Retrieve the text for a cell
 		/// </summary>
@@ -294,6 +298,8 @@ namespace BizHawk.Client.EmuHawk
 
 		public delegate void ColumnClickEventHandler(object sender, ColumnClickEventArgs e);
 
+		public delegate void ColumnReorderedEventHandler(object sender, ColumnReorderedEventArgs e);
+
 		public class CellEventArgs
 		{
 			public CellEventArgs(Cell oldCell, Cell newCell)
@@ -316,6 +322,20 @@ namespace BizHawk.Client.EmuHawk
 			public RollColumn Column { get; private set; }
 		}
 
+		public class ColumnReorderedEventArgs
+		{
+			public ColumnReorderedEventArgs(int oldDisplayIndex, int newDisplayIndex, RollColumn column)
+			{
+				Column = column;
+				OldDisplayIndex = oldDisplayIndex;
+				NewDisplayIndex = NewDisplayIndex;
+			}
+
+			public RollColumn Column { get; private set; }
+			public int OldDisplayIndex { get; private set; }
+			public int NewDisplayIndex { get; private set; }
+		}
+
 		#endregion
 
 		#region Api
@@ -1478,7 +1498,14 @@ namespace BizHawk.Client.EmuHawk
 		{
 			if (_columnDown != CurrentCell.Column)
 			{
+				var oldIndex = _columns.IndexOf(_columnDown);
 				var newIndex = _columns.IndexOf(CurrentCell.Column);
+
+				if (ColumnReordered != null)
+				{
+					ColumnReordered(this, new ColumnReorderedEventArgs(oldIndex, newIndex, _columnDown));
+				}
+
 				_columns.Remove(_columnDown);
 				_columns.Insert(newIndex, _columnDown);
 			}
diff --git a/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.Designer.cs b/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.Designer.cs
index 1a195aa1cf..e42b7497ff 100644
--- a/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.Designer.cs
+++ b/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.Designer.cs
@@ -779,6 +779,7 @@ namespace BizHawk.Client.EmuHawk
 			this.TasView.ColumnRightClick += new BizHawk.Client.EmuHawk.InputRoll.ColumnClickEventHandler(this.TasView_ColumnRightClick);
 			this.TasView.SelectedIndexChanged += new System.EventHandler(this.TasView_SelectedIndexChanged);
 			this.TasView.RightMouseScrolled += new BizHawk.Client.EmuHawk.InputRoll.RightMouseScrollEventHandler(this.TasView_MouseWheel);
+			this.TasView.ColumnReordered += new BizHawk.Client.EmuHawk.InputRoll.ColumnReorderedEventHandler(this.TasView_ColumnReordered);
 			this.TasView.KeyDown += new System.Windows.Forms.KeyEventHandler(this.TasView_KeyDown);
 			this.TasView.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.TasView_MouseDoubleClick);
 			this.TasView.MouseDown += new System.Windows.Forms.MouseEventHandler(this.TasView_MouseDown);
diff --git a/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.ListView.cs b/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.ListView.cs
index 67b215abc6..4b0127b14b 100644
--- a/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.ListView.cs
+++ b/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.ListView.cs
@@ -198,6 +198,11 @@ namespace BizHawk.Client.EmuHawk
 			TasView.Refresh();
 		}
 
+		private void TasView_ColumnReordered(object sender, InputRoll.ColumnReorderedEventArgs e)
+		{
+			_currentTasMovie.FlagChanges();
+		}
+
 		private void TasView_MouseEnter(object sender, EventArgs e)
 		{
 			TasView.Focus();