diff --git a/core/os/os2/file_stream.odin b/core/os/os2/file_stream.odin
index 208b2323b..52f5b30e9 100644
--- a/core/os/os2/file_stream.odin
+++ b/core/os/os2/file_stream.odin
@@ -10,6 +10,9 @@ file_to_stream :: proc(fd: Handle) -> (s: io.Stream) {
 
 @(private)
 error_to_io_error :: proc(ferr: Error) -> io.Error {
+	if ferr == nil {
+		return .None;
+	}
 	err, ok := ferr.(io.Error);
 	if !ok {
 		err = .Unknown;