diff --git a/src/main.rs b/src/main.rs
index 8ad44a7..fa987aa 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,10 +24,11 @@ fn main() {
 
         let tokens = lexer::read(&input).unwrap();
         let ast = parser::parse(tokens).unwrap();
-        let res = evaluator::eval(env.clone(), ast).unwrap();
+        let res = evaluator::eval(env.clone(), ast);
 
-        for expr in res {
-            println!("{expr}")
+        match res {
+            Ok(expressions) => expressions.into_iter().for_each(|expr| println!("{expr}")),
+            Err(err) => println!("{}", err.to_string()),
         }
 
         input.clear();