diff --git a/src/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.ListView.cs b/src/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.ListView.cs
index 3c3bad05f9..d5f74ea092 100644
--- a/src/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.ListView.cs
+++ b/src/BizHawk.Client.EmuHawk/tools/TAStudio/TAStudio.ListView.cs
@@ -296,7 +296,9 @@ namespace BizHawk.Client.EmuHawk
 
 		/// <returns><paramref name="index"/> with leading zeroes such that every frame in the movie will be printed with the same number of digits</returns>
 		private string FrameToStringPadded(int index)
-			=> index.ToString(_formatCache[NumberExtensions.Log10(Math.Max(CurrentTasMovie.InputLogLength, 1))]);
+			=> index.ToString(_formatCache[Math.Max(
+				4,
+				NumberExtensions.Log10(Math.Max(CurrentTasMovie.InputLogLength, 1)))]);
 
 		private void TasView_QueryItemText(int index, RollColumn column, out string text, ref int offsetX, ref int offsetY)
 		{