diff --git a/test/fuzz-libghostty/src/fuzz_stream.zig b/test/fuzz-libghostty/src/fuzz_stream.zig
index ec47e90fe..75c6fd425 100644
--- a/test/fuzz-libghostty/src/fuzz_stream.zig
+++ b/test/fuzz-libghostty/src/fuzz_stream.zig
@@ -2,7 +2,7 @@ const std = @import("std");
 const ghostty_vt = @import("ghostty-vt");
 const mem = @import("mem.zig");
 const Terminal = ghostty_vt.Terminal;
-const ReadonlyStream = ghostty_vt.ReadonlyStream;
+const TerminalStream = ghostty_vt.TerminalStream;
 
 /// Use a single global allocator for simplicity and to avoid heap
 /// allocation overhead in the fuzzer. The allocator is backed by a fixed
@@ -33,7 +33,7 @@ pub export fn zig_fuzz_test(
     }) catch return;
     defer t.deinit(alloc);
 
-    var stream: ReadonlyStream = t.vtStream();
+    var stream: TerminalStream = t.vtStream();
     defer stream.deinit();
 
     // Use the first byte to decide between the scalar and slice paths