diff --git a/mlf-cli/src/generate/lexicon.rs b/mlf-cli/src/generate/lexicon.rs
index 90d21f7..136f7e2 100644
--- a/mlf-cli/src/generate/lexicon.rs
+++ b/mlf-cli/src/generate/lexicon.rs
@@ -181,7 +181,7 @@ pub fn run(input_paths: Vec<PathBuf>, output_dir: Option<PathBuf>, explicit_root
         };
 
         let json_str = serde_json::to_string_pretty(&json_lexicon).unwrap();
-        if let Err(source) = std::fs::write(&output_path, json_str) {
+        if let Err(source) = std::fs::write(&output_path, format!("{}\n", json_str)) {
             errors.push((output_path.display().to_string(), format!("Failed to write file: {}", source)));
             continue;
         }