diff --git a/lbry/wallet/server/daemon.py b/lbry/wallet/server/daemon.py
index 654b4337e..c6f4db3d2 100644
--- a/lbry/wallet/server/daemon.py
+++ b/lbry/wallet/server/daemon.py
@@ -55,7 +55,7 @@ class Daemon:
         self.available_rpcs = {}
         self.connector = aiohttp.TCPConnector()
         self._block_hash_cache = LRUCache(100000)
-        self._block_cache = LRUCache(10000)
+        self._block_cache = LRUCache(2**16, metric_name='block', namespace=NAMESPACE)
 
     async def close(self):
         if self.connector:
@@ -249,8 +249,10 @@ class Daemon:
 
     async def deserialised_block(self, hex_hash):
         """Return the deserialised block with the given hex hash."""
-        if not self._block_cache.get(hex_hash):
-            self._block_cache[hex_hash] = await self._send_single('getblock', (hex_hash, True))
+        if hex_hash not in self._block_cache:
+            block = await self._send_single('getblock', (hex_hash, True))
+            self._block_cache[hex_hash] = block
+            return block
         return self._block_cache[hex_hash]
 
     async def raw_blocks(self, hex_hashes):