1 files changed, 3 insertions, 3 deletions
diff --git a/src/stages/semantic.rs b/src/stages/semantic.rs
index f2774a4..909659d 100644
--- a/src/stages/semantic.rs
+++ b/src/stages/semantic.rs
@@ -1,12 +1,12 @@
 use crate::*;
 
-use std::collections::{HashMap, HashSet};
+use indexmap::{IndexMap, IndexSet};
 
 
 pub fn parse_semantic(syntactic: Vec<Tracked<SyntacticToken>>) -> Result<Program, Vec<Tracked<SemanticError>>> {
     // Record all label definitions and macro names up front.
-    let mut definitions = HashMap::new();
-    let mut macro_names = HashSet::new();
+    let mut definitions = IndexMap::new();
+    let mut macro_names = IndexSet::new();
     for token in &syntactic {
         match &token.value {
             SyntacticToken::LabelDefinition(name) => {