1 files changed, 1 insertions, 0 deletions

diff --git a/csv.c b/csv.c
index 0f743c9..a6d96e6 100644
--- a/csv.c
+++ b/csv.c
@@ -232,6 +232,7 @@ void
 csv_cleanup(csv_t *csv)
 {
         assert(csv != NULL);
+        assert(csv->csv_options != NULL);
 
         csv_string_free(&csv->csv_string, csv->csv_options);
         csv_field_free(&csv->csv_field, csv->csv_options);