diff --git a/pybtc/connector/block_loader.py b/pybtc/connector/block_loader.py
index a5e1207..f109336 100644
--- a/pybtc/connector/block_loader.py
+++ b/pybtc/connector/block_loader.py
@@ -272,7 +272,7 @@ class Worker:
                     for z in block["rawTx"]:
                         for i in block["rawTx"][z]["vOut"]:
                             o = b"".join((block["rawTx"][z]["txId"], int_to_bytes(i)))
-                            pointer = (x << 42) + (z << 21) + i
+                            pointer = (x << 39)+(z << 20)+(1 << 19) + i
                             try:
                                 address = b"".join((bytes([block["rawTx"][z]["vOut"][i]["nType"]]),
                                                            block["rawTx"][z]["vOut"][i]["addressHash"]))
@@ -288,7 +288,7 @@ class Worker:
                                 outpoint = b"".join((inp["txId"], int_to_bytes(inp["vOut"])))
                                 try:
                                    r = self.coins.delete(outpoint)
-                                   if r[0] >> 42 >= start_height and r[0] >> 42 < height:
+                                   if r[0] >> 39 >= start_height and r[0] >> 39 < height:
                                        block["rawTx"][z]["vIn"][i]["_a_"] = r
                                    else:
                                        block["rawTx"][z]["vIn"][i]["_c_"] = r
@@ -304,7 +304,7 @@ class Worker:
                 for y in blocks[x]["rawTx"]:
                     for i in blocks[x]["rawTx"][y]["vOut"]:
                         try:
-                            pointer = (x << 42) + (y << 21) + i
+                            pointer = (x << 39)+(y << 20)+(1 << 19) + i
                             r = self.destroyed_coins.delete(pointer)
                             self.a_coins[pointer]=True
                             blocks[x]["rawTx"][y]["vOut"][i]["_s_"] = r
diff --git a/pybtc/connector/connector.py b/pybtc/connector/connector.py
index c13c7b1..81f9f6a 100644
--- a/pybtc/connector/connector.py
+++ b/pybtc/connector/connector.py
@@ -569,7 +569,7 @@ class Connector:
                                 self.op_return += 1
                                 continue
                             self.coins += 1
-                            pointer = (block["height"] << 42) + (q << 21) + i
+                            pointer = (block["height"] << 39) + (q << 20) + (1 << 19) + i
                             try:
                                 address = b"".join((bytes([out["nType"]]), out["addressHash"]))
                             except:
@@ -609,7 +609,7 @@ class Connector:
                                         tx["vIn"][i]["coin"] = r
                                         c += 1
                                     else:
-                                        missed.add((outpoint, (block["height"] << 42) + (q << 21) + i, q, i))
+                                        missed.add((outpoint, (block["height"] << 39) + (q << 20) + (1 << 19) + i, q, i))
 
             if missed:
                 await self.utxo.load_utxo()
@@ -750,7 +750,7 @@ class Connector:
                                         tx["vIn"][i]["coin"]  = r
                                         c += 1
                                     else:
-                                        missed.add((outpoint, (block_height << 42) + (block_index << 21) + i, i))
+                                        missed.add((outpoint,(block_height << 39)+(block_index << 20)+(1 << 19) + i))
 
                         if missed:
                             await self.utxo.load_utxo()
@@ -775,7 +775,7 @@ class Connector:
                             out = tx["vOut"][i]
                             if self.skip_opreturn and out["nType"] in (3, 8):
                                 continue
-                            pointer = (block_height << 42) + (block_index << 21) + i
+                            pointer = (block_height << 39)+(block_index << 20)+(1 << 19) + i
                             try:
                                 address = b"".join((bytes([out["nType"]]), out["addressHash"]))
 
@@ -814,7 +814,7 @@ class Connector:
             inp = tx["vIn"][i]
             outpoint = b"".join((inp["txId"], int_to_bytes(inp["vOut"])))
             r = self.utxo.get(outpoint)
-            stxo.add(r) if r else missed.add((outpoint, (block_height << 42) + (block_index << 21) + i))
+            stxo.add(r) if r else missed.add((outpoint, (block_height << 39)+(block_index << 20)+(1 << 19) + i))
 
         if missed:
             await self.utxo.load_utxo()
diff --git a/pybtc/connector/utxo.py b/pybtc/connector/utxo.py
index d2b136a..0fcb30d 100644
--- a/pybtc/connector/utxo.py
+++ b/pybtc/connector/utxo.py
@@ -69,9 +69,9 @@ class UTXO():
 
             while self.cached:
                 i = self.cached.pop()
-                if lb != i[1][0] >> 42:
+                if lb != i[1][0] >> 39:
                     block_changed = True
-                    lb = i[1][0] >> 42
+                    lb = i[1][0] >> 39
                 if lb - 1 == checkpoint:
                     if len(self.cached) > int(self.size_limit * 0.95):
                         if self.checkpoints: