diff --git a/BeefLibs/corlib/src/IO/File.bf b/BeefLibs/corlib/src/IO/File.bf
index 06d6abd7..87315500 100644
--- a/BeefLibs/corlib/src/IO/File.bf
+++ b/BeefLibs/corlib/src/IO/File.bf
@@ -49,7 +49,7 @@ namespace System.IO
 
 		public static Result<void> WriteAll(StringView path, Span<uint8> data, bool doAppend = false)
 		{
-			FileStream fs = scope FileStream();
+			UnbufferedFileStream fs = scope UnbufferedFileStream();
 			var result = fs.Open(path, doAppend ? .Append : .Create, .Write);
 			if (result case .Err)
 				return .Err;
@@ -76,7 +76,7 @@ namespace System.IO
 
 		public static Result<void> WriteAllText(StringView path, StringView text, bool doAppend = false)
 		{
-			FileStream fs = scope FileStream();
+			UnbufferedFileStream fs = scope UnbufferedFileStream();
 			var result = fs.Open(path, doAppend ? .Append : .Create, .Write);
 			if (result case .Err)
 				return .Err;
@@ -87,7 +87,7 @@ namespace System.IO
 
 		public static Result<void> WriteAllText(StringView path, StringView text, Encoding encoding)
 		{
-			FileStream fs = scope FileStream();
+			UnbufferedFileStream fs = scope UnbufferedFileStream();
 
 			int len = encoding.GetEncodedSize(text);
 			uint8* data = new uint8[len]*;