diff --git a/src/BizHawk.Client.Common/movie/import/DoomLmpImport.cs b/src/BizHawk.Client.Common/movie/import/DoomLmpImport.cs
index 8dfe84a476..c3276c96f3 100644
--- a/src/BizHawk.Client.Common/movie/import/DoomLmpImport.cs
+++ b/src/BizHawk.Client.Common/movie/import/DoomLmpImport.cs
@@ -241,7 +241,7 @@ namespace BizHawk.Client.Common
 				if (turningResolution == DSDA.TurningResolution.Longtics)
 				{
 					// low byte comes first and is stored as an unsigned value
-					controller.AcceptNewAxis($"P{port} Turning Speed Frac.", unchecked((byte) input[i++]));
+					controller.AcceptNewAxis($"P{port} Turning Speed Frac.", input[i++]);
 				}
 				controller.AcceptNewAxis($"P{port} Turning Speed", unchecked((sbyte) input[i++]));