diff --git a/fuzzers/FRET/src/fuzzer.rs b/fuzzers/FRET/src/fuzzer.rs
index 7ab96701a2..dc7e4544a3 100644
--- a/fuzzers/FRET/src/fuzzer.rs
+++ b/fuzzers/FRET/src/fuzzer.rs
@@ -304,7 +304,7 @@ let run_client = |state: Option<_>, mut mgr, _core_id| {
             // Note: I could not find a difference between write_mem and write_phys_mem for my usecase
             qemu.write_mem(harness_input_addr, bytes);
             if let Some(s) = harness_input_length_ptr {
-                qemu.write_mem(s, &len.to_le_bytes());
+                qemu.write_mem(s, &(len as u32).to_le_bytes());
             }
 
             qemu.run();
@@ -484,7 +484,7 @@ let run_client = |state: Option<_>, mut mgr, _core_id| {
                 Ok(x) => x,
                 Err(_) => {
                     println!("Interpreting input file as raw input");
-                    setup_interrupt_inputs(MultipartInput::from([("bytes",BytesInput::new(input.as_os_str().as_encoded_bytes().to_vec()))]), &interrupt_config, None)
+                    setup_interrupt_inputs(MultipartInput::from([("bytes",BytesInput::new(fs::read(input).expect("Can not read input file")))]), &interrupt_config, None)
                 }
             };
             fuzzer.evaluate_input(&mut state, &mut executor, &mut mgr, show_input)