diff --git a/crates/linker/dynhost_benchmarks_windows.exe b/crates/linker/dynhost_benchmarks_windows.exe
index 5c3a208653..4f8c9e8ed5 100755
Binary files a/crates/linker/dynhost_benchmarks_windows.exe and b/crates/linker/dynhost_benchmarks_windows.exe differ
diff --git a/crates/linker/src/pe.rs b/crates/linker/src/pe.rs
index 9eb54120b5..aae3c905e2 100644
--- a/crates/linker/src/pe.rs
+++ b/crates/linker/src/pe.rs
@@ -189,6 +189,9 @@ pub(crate) fn preprocess_windows(
     _time: bool,
 ) -> object::read::Result<()> {
     let data = open_mmap(host_exe_filename);
+
+    std::fs::copy(host_exe_filename, "/tmp/roc/dynhost.exe").unwrap();
+
     let new_sections = [*b".text\0\0\0", *b".rdata\0\0"];
     let mut preprocessed = Preprocessor::preprocess(
         preprocessed_filename,