diff --git a/src/komodo_bitcoind.h b/src/komodo_bitcoind.h
index 81ff62ccb..29e9b1d71 100644
--- a/src/komodo_bitcoind.h
+++ b/src/komodo_bitcoind.h
@@ -605,7 +605,7 @@ void komodo_connectpindex(CBlockIndex *pindex)
         komodo_connectblock(pindex,block);
 }
 
-CBlock *komodo_chainactive(int32_t height)
+CBlockIndex *komodo_chainactive(int32_t height)
 {
     return(chainActive[height]);
 }
diff --git a/src/pow.cpp b/src/pow.cpp
index 255ea2cf5..a8e9350dc 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -107,7 +107,7 @@ bool CheckEquihashSolution(const CBlockHeader *pblock, const CChainParams& param
 int32_t komodo_chosennotary(int32_t *notaryidp,int32_t height,uint8_t *pubkey33);
 int32_t komodo_is_special(int32_t height,uint8_t pubkey33[33]);
 int32_t komodo_currentheight();
-CBlock *komodo_chainactive(int32_t height);
+CBlockIndex *komodo_chainactive(int32_t height);
 int8_t komodo_minerid(int32_t height,uint8_t *pubkey33);
 extern int32_t KOMODO_CHOSEN_ONE;
 #define KOMODO_ELECTION_GAP 2000
@@ -116,7 +116,7 @@ bool CheckProofOfWork(int32_t height,uint8_t *pubkey33,uint256 hash, unsigned in
 {
     extern int32_t KOMODO_REWIND;
     bool fNegative,fOverflow; int32_t i,nonz=0,special=0,special2=0,notaryid=-1,flag = 0; mids[66];
-    arith_uint256 bnTarget; CBlock *pindex;
+    arith_uint256 bnTarget; CBlockIndex *pindex;
 
     bnTarget.SetCompact(nBits, &fNegative, &fOverflow);
     if ( height == 0 )