diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 67f02dc3f230..81bbc16dd3e4 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -2019,6 +2019,9 @@ static int zram_add(void)
 	init_rwsem(&zram->init_lock);
 #ifdef CONFIG_ZRAM_WRITEBACK
 	spin_lock_init(&zram->wb_limit_lock);
+#endif
+#ifdef CONFIG_ZRAM_DEDUP
+	zram->use_dedup = true;
 #endif
 	queue = blk_alloc_queue(GFP_KERNEL);
 	if (!queue) {