diff --git a/hashtable.c b/hashtable.c
index 193f6bd..ceab16d 100644
--- a/hashtable.c
+++ b/hashtable.c
@@ -23,6 +23,10 @@ entry_hash_t key_hash(entry_key_t key) {
 	return strhash_str(key) + 1; // make hash always nonzero
 }
 
+void hashtable_init(struct hashtable * table) {
+	memset(table, 0, sizeof(table));
+}
+
 hashtable_iterator_t hashtable_end(struct hashtable * table) {
 	return table->data + table->len;
 }