diff --git a/src/core/parsers/elements/stage_1_ast/parser_def.hpp b/src/core/parsers/elements/stage_1_ast/parser_def.hpp
index d6bcd7f1..e226dfb4 100644
--- a/src/core/parsers/elements/stage_1_ast/parser_def.hpp
+++ b/src/core/parsers/elements/stage_1_ast/parser_def.hpp
@@ -347,7 +347,7 @@ namespace dlplan::core::parsers::elements::stage_1::parser
     struct TopRoleClass : x3::annotate_on_success {};
     struct TransitiveClosureRoleClass : x3::annotate_on_success {};
     struct TransitiveReflexiveClosureRoleClass : x3::annotate_on_success {};
-    struct Element : x3::annotate_on_success, error_handler_base {};
+    struct ElementClass : x3::annotate_on_success, error_handler_base {};
 }
 
 namespace dlplan::core::parsers::elements::stage_1