diff --git a/lang/ast/expr/arith.c b/lang/ast/expr/arith.c
index 2c20225..ef850d0 100644
--- a/lang/ast/expr/arith.c
+++ b/lang/ast/expr/arith.c
@@ -788,6 +788,13 @@ struct token_parse_result expr_finalise(
 		return PARSE_RESULT(IVY_OK, flags);
 	}
 
+	if (state->s_sub_type == EXPR_SUBTYPE_COMPLEX_MSG) {
+		/* this is the end of a keyword-message */
+		struct ivy_ast_msg_node *msg = expr_finalise_complex_msg(state);
+		*result = msg;
+		return PARSE_RESULT(IVY_OK, 0);
+	}
+
 	if (state->s_sub_type == EXPR_SUBTYPE_KEYWORD_MSG) {
 		/* this is the end of a keyword-message */
 		struct ivy_ast_msg_node *msg = expr_finalise_keyword_msg(state);