diff --git a/src/main.cpp b/src/main.cpp
index a94d52f89..aaf5f9ae6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2570,8 +2570,7 @@ void PruneAndFlush() {
 }
 
 /** Update chainActive and related internal data structures. */
-void static UpdateTip(CBlockIndex *pindexNew) {
-    const CChainParams& chainParams = Params();
+void static UpdateTip(CBlockIndex *pindexNew, const CChainParams& chainParams) {
     chainActive.SetTip(pindexNew);
 
     // New best block
@@ -2631,6 +2630,7 @@ void static UpdateTip(CBlockIndex *pindexNew) {
 /** Disconnect chainActive's tip. You probably want to call mempool.removeForReorg and manually re-limit mempool size after this, with cs_main held. */
 bool static DisconnectTip(CValidationState& state, const Consensus::Params& consensusParams)
 {
+    const CChainParams& chainparams = Params(); // TODO replace consensusParams parameter
     CBlockIndex *pindexDelete = chainActive.Tip();
     assert(pindexDelete);
     // Read block from disk.
@@ -2668,7 +2668,7 @@ bool static DisconnectTip(CValidationState& state, const Consensus::Params& cons
     // block that were added back and cleans up the mempool state.
     mempool.UpdateTransactionsFromBlock(vHashUpdate);
     // Update chainActive and related variables.
-    UpdateTip(pindexDelete->pprev);
+    UpdateTip(pindexDelete->pprev, chainparams);
     // Let wallets know transactions went from 1-confirmed to
     // 0-confirmed or conflicted:
     BOOST_FOREACH(const CTransaction &tx, block.vtx) {
@@ -2727,7 +2727,7 @@ bool static ConnectTip(CValidationState& state, const CChainParams& chainparams,
     list<CTransaction> txConflicted;
     mempool.removeForBlock(pblock->vtx, pindexNew->nHeight, txConflicted, !IsInitialBlockDownload());
     // Update chainActive & related variables.
-    UpdateTip(pindexNew);
+    UpdateTip(pindexNew, chainparams);
     // Tell wallet about transactions that went from mempool
     // to conflicted:
     BOOST_FOREACH(const CTransaction &tx, txConflicted) {