diff --git a/src/parser/affiliated_keyword.rs b/src/parser/affiliated_keyword.rs
index 88cdabd..498033f 100644
--- a/src/parser/affiliated_keyword.rs
+++ b/src/parser/affiliated_keyword.rs
@@ -15,6 +15,7 @@ use nom::multi::many_till;
 use nom::sequence::tuple;
 
 use super::object_parser::standard_set_object;
+use super::util::confine_context;
 use crate::context::parser_with_context;
 use crate::context::Context;
 use crate::context::ContextElement;
@@ -62,9 +63,11 @@ pub(crate) fn parse_affiliated_keywords<'g, 's>(
                     tag("["),
                     map_parser(
                         recognize(many_till(anychar, peek(tuple((tag("]"), eof))))),
-                        all_consuming(many0(parser_with_context!(standard_set_object)(
-                            &initial_context,
-                        ))),
+                        confine_context(|i| {
+                            all_consuming(many0(parser_with_context!(standard_set_object)(
+                                &initial_context,
+                            )))(i)
+                        }),
                     ),
                     tag("]"),
                     eof,