diff --git a/src/bitcoind.cpp b/src/bitcoind.cpp
index 0afb47894..b65fcf1a9 100644
--- a/src/bitcoind.cpp
+++ b/src/bitcoind.cpp
@@ -59,7 +59,7 @@ static bool fDaemon;
 #include "komodo_defs.h"
 #define KOMODO_ASSETCHAIN_MAXLEN 65
 extern char ASSETCHAINS_SYMBOL[KOMODO_ASSETCHAIN_MAXLEN];
-extern uint32_t ASSETCHAINS_BLOCKTIME;
+extern int32_t ASSETCHAINS_BLOCKTIME;
 extern uint64_t ASSETCHAINS_CBOPRET;
 void komodo_passport_iteration();
 uint64_t komodo_interestsum();
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 6bfcc0e5c..26e29d9de 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -91,7 +91,7 @@ static CBlock CreateGenesisBlock(uint32_t nTime, const uint256& nNonce, const st
  */
 void *chainparams_commandline(void *ptr);
 #include "komodo_defs.h"
-uint32_t ASSETCHAINS_BLOCKTIME = 60;
+int32_t ASSETCHAINS_BLOCKTIME = 60;
 
 const arith_uint256 maxUint = UintToArith256(uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
 
diff --git a/src/komodo_defs.h b/src/komodo_defs.h
index 0f053f6ca..b0f618e93 100644
--- a/src/komodo_defs.h
+++ b/src/komodo_defs.h
@@ -42,8 +42,8 @@ extern uint8_t ASSETCHAINS_TXPOW,ASSETCHAINS_PUBLIC;
 int32_t MAX_BLOCK_SIZE(int32_t height);
 extern char ASSETCHAINS_SYMBOL[KOMODO_ASSETCHAIN_MAXLEN];
 extern uint16_t ASSETCHAINS_P2PPORT,ASSETCHAINS_RPCPORT;
-extern uint32_t ASSETCHAIN_INIT, ASSETCHAINS_MAGIC,ASSETCHAINS_BLOCKTIME;
-extern int32_t VERUS_BLOCK_POSUNITS, ASSETCHAINS_LWMAPOS, ASSETCHAINS_SAPLING, ASSETCHAINS_OVERWINTER;
+extern uint32_t ASSETCHAIN_INIT, ASSETCHAINS_MAGIC;
+extern int32_t VERUS_BLOCK_POSUNITS, ASSETCHAINS_LWMAPOS, ASSETCHAINS_SAPLING, ASSETCHAINS_OVERWINTER,ASSETCHAINS_BLOCKTIME;
 extern uint64_t ASSETCHAINS_SUPPLY, ASSETCHAINS_FOUNDERS_REWARD;
 
 extern uint64_t ASSETCHAINS_TIMELOCKGTE;