diff --git a/bitcoind-rpc/src/main/scala/org/bitcoins/rpc/jsonmodels/BlockchainResult.scala b/bitcoind-rpc/src/main/scala/org/bitcoins/rpc/jsonmodels/BlockchainResult.scala
index 1d8d7ea5cf..ddfa09aa2c 100644
--- a/bitcoind-rpc/src/main/scala/org/bitcoins/rpc/jsonmodels/BlockchainResult.scala
+++ b/bitcoind-rpc/src/main/scala/org/bitcoins/rpc/jsonmodels/BlockchainResult.scala
@@ -60,7 +60,7 @@ case class GetBlockChainInfoResult(
     verificationprogress: BigDecimal,
     initialblockdownload: Boolean,
     chainwork: String, // How should this be handled?
-    size_on_disk: Int,
+    size_on_disk: Long,
     pruned: Boolean,
     pruneheight: Option[Int],
     softforks: Vector[Softfork],