diff --git a/src/BizHawk.Client.EmuHawk/tools/TAStudio/BookmarksBranchesBox.cs b/src/BizHawk.Client.EmuHawk/tools/TAStudio/BookmarksBranchesBox.cs
index 75d52c192f..66fe24f38a 100644
--- a/src/BizHawk.Client.EmuHawk/tools/TAStudio/BookmarksBranchesBox.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/TAStudio/BookmarksBranchesBox.cs
@@ -95,6 +95,12 @@ namespace BizHawk.Client.EmuHawk
 		{
 			text = "";
 
+			// This could happen if the control is told to redraw while Tastudio is rebooting, as we would not have a TasMovie just yet
+			if (Tastudio.CurrentTasMovie == null)
+			{
+				return;
+			}
+
 			if (index >= Branches.Count)
 			{
 				return;
@@ -111,6 +117,12 @@ namespace BizHawk.Client.EmuHawk
 
 		private void QueryItemBkColor(int index, RollColumn column, ref Color color)
 		{
+			// This could happen if the control is told to redraw while Tastudio is rebooting, as we would not have a TasMovie just yet
+			if (Tastudio.CurrentTasMovie == null)
+			{
+				return;
+			}
+
 			var branch = Branches[index];
 			if (branch != null)
 			{
diff --git a/src/BizHawk.Client.EmuHawk/tools/TAStudio/MarkerControl.cs b/src/BizHawk.Client.EmuHawk/tools/TAStudio/MarkerControl.cs
index 6b0641cdae..2c97e5eb64 100644
--- a/src/BizHawk.Client.EmuHawk/tools/TAStudio/MarkerControl.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/TAStudio/MarkerControl.cs
@@ -58,6 +58,12 @@ namespace BizHawk.Client.EmuHawk
 
 		private void MarkerView_QueryItemBkColor(int index, RollColumn column, ref Color color)
 		{
+			// This could happen if the control is told to redraw while Tastudio is rebooting, as we would not have a TasMovie just yet
+			if (Tastudio.CurrentTasMovie == null)
+			{
+				return;
+			}
+
 			var prev = Markers.PreviousOrCurrent(Tastudio.Emulator.Frame);
 
 			if (prev != null && index == Markers.IndexOf(prev))
@@ -88,6 +94,12 @@ namespace BizHawk.Client.EmuHawk
 		{
 			text = "";
 
+			// This could happen if the control is told to redraw while Tastudio is rebooting, as we would not have a TasMovie just yet
+			if (Tastudio.CurrentTasMovie == null)
+			{
+				return;
+			}
+
 			if (column.Name == "FrameColumn")
 			{
 				text = Markers[index].Frame.ToString();