diff --git a/src/ast.h b/src/ast.h
index 6e6b5cc..2097910 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -26,6 +26,7 @@ typedef enum node_id {
     NODE_REGISTER_INDEX,
     NODE_REGISTER_OFFSET,
     NODE_PLUS_OR_MINUS,
+    NODE_SECTION_DIRECTIVE,
 
     // Validated primitives
     NODE_REGISTER,