diff --git a/BizHawk.Client.Common/movie/import/MovieImport.cs b/BizHawk.Client.Common/movie/import/MovieImport.cs
index 94059338f6..2bed3b7826 100644
--- a/BizHawk.Client.Common/movie/import/MovieImport.cs
+++ b/BizHawk.Client.Common/movie/import/MovieImport.cs
@@ -199,6 +199,8 @@ namespace BizHawk.Client.Common
 				errorMsg = except.ToString();
 			}
 
+			m.Filename += "." + BkmMovie.Extension;
+
 			return m;
 		}