diff --git a/src/parser/nom_context.rs b/src/parser/nom_context.rs
index 67e55a48..40486f37 100644
--- a/src/parser/nom_context.rs
+++ b/src/parser/nom_context.rs
@@ -11,7 +11,7 @@ pub struct TestContext<T> {
     head: ContextReference<T>,
 }
 
-type ContextReference<T> = Option<Box<ContextLayer<T>>>;
+type ContextReference<T> = Option<Rc<ContextLayer<T>>>;
 
 struct ContextLayer<T> {
     data: T,
@@ -32,11 +32,11 @@ impl TestContext<ContextData> {
         new_matcher: MatcherRef,
     ) -> TestContext<ContextData> {
         TestContext {
-            head: Some(Box::new(ContextLayer {
+            head: Some(Rc::new(ContextLayer {
                 data: ContextData {
                     fail_matcher: ChainBehavior::AndParent(Some(new_matcher)),
                 },
-                parent: self.head, // TODO FIX THIS
+                parent: self.head.clone(),
             })),
         }
     }