1 files changed, 1 insertions, 1 deletions
diff --git a/lib.h b/lib.h
index 262d6468..97a7dbd4 100644
--- a/lib.h
+++ b/lib.h
@@ -517,7 +517,7 @@ extern val eof_s, eol_s, assert_s, name_s;
 extern val error_s, type_error_s, internal_error_s, panic_s;
 extern val numeric_error_s, range_error_s;
 extern val query_error_s, file_error_s, process_error_s, syntax_error_s;
-extern val timeout_error_s, system_error_s, alloc_error_s;
+extern val timeout_error_s, system_error_s, alloc_error_s, stack_overflow_s;
 extern val path_not_found_s, path_exists_s, path_permission_s;
 extern val warning_s, defr_warning_s, restart_s, continue_s;
 extern val gensym_counter_s, length_s;