diff --git a/crates/libafl/src/corpus/inmemory_ondisk.rs b/crates/libafl/src/corpus/inmemory_ondisk.rs
index 00e598bb86..d5432a765c 100644
--- a/crates/libafl/src/corpus/inmemory_ondisk.rs
+++ b/crates/libafl/src/corpus/inmemory_ondisk.rs
@@ -490,7 +490,7 @@ impl<I> InMemoryOnDiskCorpus<I> {
                     drop(fs::remove_file(lockfile_path));
                 } else {
                     lockfile.seek(SeekFrom::Start(0))?;
-                    lockfile.write_all(&(ctr.parse::<u32>()? - 1).to_le_bytes())?;
+                    lockfile.write_all((ctr.parse::<u32>()? - 1).to_string().as_bytes())?;
                     return Ok(());
                 }
             }