diff --git a/src/main.rs b/src/main.rs
index 212dd10..d715a64 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -954,7 +954,7 @@ fn interpret_program(operations: &Vec<Operation>, queue: &mut Vec<String>, funct
 			}
 			Operation::Dup(_, _) =>
 			{
-				let val = queue.get(0).unwrap();
+				let val = queue.first().unwrap();
 				queue.push(val.clone());
 			}
 			Operation::Swap(_, _) =>
@@ -1249,7 +1249,7 @@ fn get_return_type(operations: &Vec<Operation>, ins: &[Datatype], functions: &Ve
 			}
 			Operation::Dup(line, col) =>
 			{
-				if let Some(typ) = type_queue.get(0)
+				if let Some(typ) = type_queue.first()
 				{
 					type_queue.push(*typ);
 				}