diff --git a/kmod/src/block.c b/kmod/src/block.c
index 1d80a667..bb581173 100644
--- a/kmod/src/block.c
+++ b/kmod/src/block.c
@@ -286,10 +286,16 @@ static int block_insert(struct super_block *sb, struct block_private *bp)
 
 	WARN_ON_ONCE(atomic_read(&bp->refcount) & BLOCK_REF_INSERTED);
 
+retry:
 	atomic_add(BLOCK_REF_INSERTED, &bp->refcount);
-	ret = rhashtable_insert_fast(&binf->ht, &bp->ht_head, block_ht_params);
+	ret = rhashtable_lookup_insert_fast(&binf->ht, &bp->ht_head, block_ht_params);
 	if (ret < 0) {
 		atomic_sub(BLOCK_REF_INSERTED, &bp->refcount);
+		if (ret == -EBUSY) {
+			/* wait for pending rebalance to finish */
+			synchronize_rcu();
+			goto retry;
+		}
 	} else {
 		atomic_inc(&binf->total_inserted);
 		TRACE_BLOCK(insert, bp);