diff --git a/src/komodo.h b/src/komodo.h
index c64ad5caf..c564775bf 100644
--- a/src/komodo.h
+++ b/src/komodo.h
@@ -178,7 +178,7 @@ const char *Notaries[64][2] =
 int32_t IS_KOMODO_NOTARY,USE_EXTERNAL_PUBKEY,NOTARIZED_HEIGHT;
 std::string NOTARY_PUBKEY;
 uint256 NOTARIZED_HASH;
-char *komodo_gettxout(bits256 hash,int32_t n);
+char *komodo_gettxout(uint256 hash,int32_t n);
 
 int32_t komodo_blockindexcheck(CBlockIndex *pindex,uint32_t *nBitsp)
 {
diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp
index dd071604d..eac9c5f4f 100644
--- a/src/rpcblockchain.cpp
+++ b/src/rpcblockchain.cpp
@@ -460,7 +460,7 @@ Value gettxout(const Array& params, bool fHelp)
     return ret;
 }
 
-char *komodo_gettxout(bits256 hash,int32_t n)
+char *komodo_gettxout(uint256 hash,int32_t n)
 {
     CCoins coins; CBlockIndex *pindex;
     if ( pcoinsTip->GetCoins(hash,coins) == 0 )