diff --git a/src/BizHawk.Client.Common/movie/bk2/Bk2Movie.cs b/src/BizHawk.Client.Common/movie/bk2/Bk2Movie.cs
index f1f42d9c96..87ce097594 100644
--- a/src/BizHawk.Client.Common/movie/bk2/Bk2Movie.cs
+++ b/src/BizHawk.Client.Common/movie/bk2/Bk2Movie.cs
@@ -102,14 +102,7 @@ namespace BizHawk.Client.Common
 			}
 		}
 
-		public double FrameRate
-		{
-			get
-			{
-				var system = HeaderEntries[HeaderKeys.Platform];
-				return PlatformFrameRates.GetFrameRate(system, IsPal);
-			}
-		}
+		public double FrameRate => PlatformFrameRates.GetFrameRate(SystemID, IsPal);
 
 		public IStringLog GetLogEntries() => Log;
 
diff --git a/src/BizHawk.Client.Common/movie/interfaces/IMovie.cs b/src/BizHawk.Client.Common/movie/interfaces/IMovie.cs
index fdf4cd5ee8..c68baaead9 100644
--- a/src/BizHawk.Client.Common/movie/interfaces/IMovie.cs
+++ b/src/BizHawk.Client.Common/movie/interfaces/IMovie.cs
@@ -49,7 +49,7 @@ namespace BizHawk.Client.Common
 		int FrameCount { get; }
 
 		/// <summary>
-		/// Gets the actual length of the input log, should only be used by code that needs a the input log length
+		/// Gets the actual length of the input log, should only be used by code that needs the input log length
 		/// specifically, not the frame count
 		/// </summary>
 		int InputLogLength { get; }
@@ -99,7 +99,7 @@ namespace BizHawk.Client.Common
 		string BoardName { get; set; }
 
 		/// <summary>
-		/// Loads from the HawkFile the minimal amount of information needed to determine Header info and Movie length
+		/// Loads from the HawkFile the minimal amount of information needed to determine Header info and Movie length.
 		/// This method is intended to be more performant than a full load
 		/// </summary>
 		bool PreLoadHeaderAndLength();