diff --git a/fuzz/fuzz_targets/fuzz_ed.rs b/fuzz/fuzz_targets/fuzz_ed.rs
index 69461d1..7c38fda 100644
--- a/fuzz/fuzz_targets/fuzz_ed.rs
+++ b/fuzz/fuzz_targets/fuzz_ed.rs
@@ -3,12 +3,13 @@
 extern crate libfuzzer_sys;
 use diffutilslib::ed_diff;
 use diffutilslib::ed_diff::DiffError;
+use diffutilslib::params::Params;
 use std::fs::{self, File};
 use std::io::Write;
 use std::process::Command;
 
 fn diff_w(expected: &[u8], actual: &[u8], filename: &str) -> Result<Vec<u8>, DiffError> {
-    let mut output = ed_diff::diff(expected, actual, false, false, 8)?;
+    let mut output = ed_diff::diff(expected, actual, &Params::default())?;
     writeln!(&mut output, "w {filename}").unwrap();
     Ok(output)
 }
diff --git a/fuzz/fuzz_targets/fuzz_normal.rs b/fuzz/fuzz_targets/fuzz_normal.rs
index 2d38641..6b1e6b9 100644
--- a/fuzz/fuzz_targets/fuzz_normal.rs
+++ b/fuzz/fuzz_targets/fuzz_normal.rs
@@ -2,6 +2,7 @@
 #[macro_use]
 extern crate libfuzzer_sys;
 use diffutilslib::normal_diff;
+use diffutilslib::params::Params;
 
 use std::fs::{self, File};
 use std::io::Write;
@@ -21,7 +22,7 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>)| {
     } else {
         return
     }*/
-    let diff = normal_diff::diff(&from, &to, false, false, 8);
+    let diff = normal_diff::diff(&from, &to, &Params::default());
     File::create("target/fuzz.file.original")
         .unwrap()
         .write_all(&from)
diff --git a/fuzz/fuzz_targets/fuzz_patch.rs b/fuzz/fuzz_targets/fuzz_patch.rs
index 15e4967..4dea4b5 100644
--- a/fuzz/fuzz_targets/fuzz_patch.rs
+++ b/fuzz/fuzz_targets/fuzz_patch.rs
@@ -1,6 +1,7 @@
 #![no_main]
 #[macro_use]
 extern crate libfuzzer_sys;
+use diffutilslib::params::Params;
 use diffutilslib::unified_diff;
 use std::fs::{self, File};
 use std::io::Write;
@@ -22,13 +23,13 @@ fuzz_target!(|x: (Vec<u8>, Vec<u8>, u8)| {
     }*/
     let diff = unified_diff::diff(
         &from,
-        "a/fuzz.file",
         &to,
-        "target/fuzz.file",
-        context as usize,
-        false,
-        false,
-        8,
+        &Params {
+            from: "a/fuzz.file".into(),
+            to: "target/fuzz.file".into(),
+            context_count: context as usize,
+            ..Default::default()
+        }
     );
     File::create("target/fuzz.file.original")
         .unwrap()