diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 02c503f16bc2db..73fe9cd59a6360 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -573,6 +573,7 @@ static inline struct zcrypt_queue *zcrypt_pick_queue(struct zcrypt_card *zc,
 {
 	if (!zq || !try_module_get(zq->queue->ap_dev.device.driver->owner))
 		return NULL;
+	zcrypt_card_get(zc);
 	zcrypt_queue_get(zq);
 	get_device(&zq->queue->ap_dev.device);
 	atomic_add(weight, &zc->load);
@@ -592,6 +593,7 @@ static inline void zcrypt_drop_queue(struct zcrypt_card *zc,
 	atomic_sub(weight, &zq->load);
 	put_device(&zq->queue->ap_dev.device);
 	zcrypt_queue_put(zq);
+	zcrypt_card_put(zc);
 	module_put(mod);
 }