diff --git a/lib/src/gkcrypt.c b/lib/src/gkcrypt.c
index a8baf47..f8be2c1 100644
--- a/lib/src/gkcrypt.c
+++ b/lib/src/gkcrypt.c
@@ -113,6 +113,8 @@ CHIAKI_EXPORT void chiaki_gkcrypt_fini(ChiakiGKCrypt *gkcrypt)
 		chiaki_mutex_unlock(&gkcrypt->key_buf_mutex);
 		chiaki_cond_signal(&gkcrypt->key_buf_cond);
 		chiaki_thread_join(&gkcrypt->key_buf_thread, NULL);
+		chiaki_cond_fini(&gkcrypt->key_buf_cond);
+		chiaki_mutex_fini(&gkcrypt->key_buf_mutex);
 		chiaki_aligned_free(gkcrypt->key_buf);
 	}
 }