1 files changed, 2 insertions, 2 deletions
diff --git a/src/System.Private.CoreLib/shared/System/IO/FileStream.Unix.cs b/src/System.Private.CoreLib/shared/System/IO/FileStream.Unix.cs
index 5f3c55e227..fc291340d7 100644
--- a/src/System.Private.CoreLib/shared/System/IO/FileStream.Unix.cs
+++ b/src/System.Private.CoreLib/shared/System/IO/FileStream.Unix.cs
@@ -597,13 +597,13 @@ namespace System.IO
                 int spaceRemaining = _bufferLength - _writePos;
                 if (spaceRemaining >= source.Length)
                 {
-                    source.CopyTo(new Span<byte>(GetBuffer()).Slice(_writePos));
+                    source.CopyTo(GetBuffer().AsSpan(_writePos));
                     _writePos += source.Length;
                     return;
                 }
                 else if (spaceRemaining > 0)
                 {
-                    source.Slice(0, spaceRemaining).CopyTo(new Span<byte>(GetBuffer()).Slice(_writePos));
+                    source.Slice(0, spaceRemaining).CopyTo(GetBuffer().AsSpan(_writePos));
                     _writePos += spaceRemaining;
                     source = source.Slice(spaceRemaining);
                 }