diff --git a/src/BizHawk.Client.Common/movie/MovieService.cs b/src/BizHawk.Client.Common/movie/MovieService.cs
index 9e8bb6ec99..909cd7d97e 100644
--- a/src/BizHawk.Client.Common/movie/MovieService.cs
+++ b/src/BizHawk.Client.Common/movie/MovieService.cs
@@ -53,7 +53,7 @@ namespace BizHawk.Client.Common
 			}
 
 			// Accept .tasproj files written from <= 2.5 where the host culture settings used ','
-			if (double.TryParse(versionStr, NumberStyles.Float, CultureInfo.InvariantCulture, out var parsedWithComma))
+			if (double.TryParse(versionStr.Replace(',', '.'), NumberStyles.Float, CultureInfo.InvariantCulture, out var parsedWithComma))
 			{
 				return parsedWithComma;
 			}