diff --git a/src/built_in_functions/fs.rs b/src/built_in_functions/fs.rs
index 94b2dbd..d5f393f 100644
--- a/src/built_in_functions/fs.rs
+++ b/src/built_in_functions/fs.rs
@@ -14,7 +14,7 @@ impl BuiltInFunction for Read {
     }
 
     fn run(&self, arguments: &[Value]) -> Result<Value> {
-        let path_string = arguments.first().unwrap_or(&Value::Empty).as_string()?;
+        let path_string = arguments.first().unwrap_or_default().as_string()?;
         let path = PathBuf::from(path_string);
 
         if path.is_dir() {
@@ -56,7 +56,7 @@ impl BuiltInFunction for Write {
     }
 
     fn run(&self, arguments: &[Value]) -> Result<Value> {
-        let file_content = arguments.first().unwrap_or(&Value::Empty).as_string()?;
+        let file_content = arguments.first().unwrap_or_default().as_string()?;
         let path = arguments.get(1).unwrap_or(&Value::Empty).as_string()?;
 
         write(path, file_content)?;
diff --git a/src/value/mod.rs b/src/value/mod.rs
index 656b21e..eafa212 100644
--- a/src/value/mod.rs
+++ b/src/value/mod.rs
@@ -223,6 +223,12 @@ impl Value {
     }
 }
 
+impl Default for &Value {
+    fn default() -> Self {
+        &Value::Empty
+    }
+}
+
 impl Add for Value {
     type Output = Result<Value>;