diff --git a/lib/std/Io/test.zig b/lib/std/Io/test.zig
index ef0d45d95366b88b227eea8e2fd4e99f62c91411..796800f000ad78ad915783219a861d2374161c1e 100644
--- a/lib/std/Io/test.zig
+++ b/lib/std/Io/test.zig
@@ -74,7 +74,7 @@ test "File.Writer.seekTo" {
     @memset(&data, 0x55);
 
     const tmp_file_name = "temp_test_file.txt";
-    var file = try tmp.dir.createFile(io, tmp_file_name, .{});
+    var file = try tmp.dir.createFile(io, tmp_file_name, .{ .read = true });
     defer file.close(io);
 
     var fw = file.writerStreaming(io, &.{});
@@ -92,7 +92,7 @@ test "File.setLength" {
     defer tmp.cleanup();
 
     const tmp_file_name = "temp_test_file.txt";
-    var file = try tmp.dir.createFile(io, tmp_file_name, .{});
+    var file = try tmp.dir.createFile(io, tmp_file_name, .{ .read = true });
     defer file.close(io);
 
     var fw = file.writerStreaming(io, &.{});