diff --git a/NineChronicles.Headless.Tests/GraphTypes/TransactionHeadlessQueryTest.cs b/NineChronicles.Headless.Tests/GraphTypes/TransactionHeadlessQueryTest.cs
index a3bd08316..0d61007b5 100644
--- a/NineChronicles.Headless.Tests/GraphTypes/TransactionHeadlessQueryTest.cs
+++ b/NineChronicles.Headless.Tests/GraphTypes/TransactionHeadlessQueryTest.cs
@@ -9,6 +9,7 @@
 using GraphQL;
 using GraphQL.Execution;
 using GraphQL.NewtonsoftJson;
+using Lib9c;
 using Libplanet;
 using Libplanet.Action;
 using Libplanet.Action.Loader;
@@ -340,6 +341,30 @@ public async Task TransactionResultIsSuccess()
             var txStatus = (string)((Dictionary<string, object>)transactionResult)["txStatus"];
             Assert.Equal("SUCCESS", txStatus);
         }
+        
+        [Fact]
+        public async Task NcTransactionsOnTip()
+        {
+            var privateKey = new PrivateKey();
+            var action = new TransferAsset(default, default, Currencies.Crystal * 1);
+            Transaction tx = _blockChain.MakeTransaction(privateKey, new ActionBase[] { action });
+
+            Block block = _blockChain.ProposeBlock(_proposer);
+            _blockChain.Append(block, GenerateBlockCommit(block.Index, block.Hash, _proposer));
+            Assert.Equal(_blockChain.Tip.Index, 1);
+            var query = @"query {
+                ncTransactions(startingBlockIndex: 1, actionType: ""^transfer_asset.*$"", limit: 1) {
+                    id
+                }
+            }";
+            var result = await ExecuteAsync(query);
+            Assert.NotNull(result.Data);
+            var ncTransactions =
+                (object[])(
+                    ((Dictionary<string, object>)((ExecutionNode)result.Data!).ToValue()!)["ncTransactions"]);
+            var ncTransaction = Assert.IsType<Dictionary<string, object>>(Assert.Single(ncTransactions));
+            Assert.Equal(tx.Id.ToString(), ncTransaction["id"]);
+        }
 
         private Task<ExecutionResult> ExecuteAsync(string query)
         {
diff --git a/NineChronicles.Headless/GraphTypes/TransactionHeadlessQuery.cs b/NineChronicles.Headless/GraphTypes/TransactionHeadlessQuery.cs
index 86f227fe0..8474db53d 100644
--- a/NineChronicles.Headless/GraphTypes/TransactionHeadlessQuery.cs
+++ b/NineChronicles.Headless/GraphTypes/TransactionHeadlessQuery.cs
@@ -319,7 +319,7 @@ private IEnumerable<Block> ListBlocks(BlockChain chain, long from, long limit)
                 return new List<Block>();
             }
 
-            var count = (int)Math.Min(limit, chain.Tip.Index - from);
+            var count = (int)Math.Min(limit, chain.Tip.Index - from + 1);
             var blocks = Enumerable.Range(0, count)
                 .ToList()
                 .AsParallel()