diff --git a/src/miner.h b/src/miner.h
--- a/src/miner.h
+++ b/src/miner.h
@@ -190,7 +190,8 @@
      * Increments nPackagesSelected / nDescendantsUpdated with corresponding
      * statistics from the package selection (for logging statistics).
      */
-    void addPackageTxs(int &nPackagesSelected, int &nDescendantsUpdated)
+    void addPackageTxs(const Config &config, int &nPackagesSelected,
+                       int &nDescendantsUpdated)
         EXCLUSIVE_LOCKS_REQUIRED(mempool->cs);
 
     /** Enum for the results from TestForBlock */
@@ -217,7 +218,8 @@
      * succeed, and they're here only as an extra check in case of suboptimal
      * node configuration.
      */
-    bool TestPackageTransactions(const CTxMemPool::setEntries &package);
+    bool TestPackageTransactions(const Config &config,
+                                 const CTxMemPool::setEntries &package);
     /**
      * Return true if given transaction from mapTx has already been evaluated,
      * or if the transaction's cached data in mapTx is incorrect.
diff --git a/src/miner.cpp b/src/miner.cpp
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -163,7 +163,7 @@
     addPriorityTxs();
     int nPackagesSelected = 0;
     int nDescendantsUpdated = 0;
-    addPackageTxs(nPackagesSelected, nDescendantsUpdated);
+    addPackageTxs(config, nPackagesSelected, nDescendantsUpdated);
 
     if (IsMagneticAnomalyEnabled(config, pindexPrev)) {
         // If magnetic anomaly is enabled, we make sure transaction are
@@ -288,11 +288,11 @@
  * - Serialized size (in case -blockmaxsize is in use)
  */
 bool BlockAssembler::TestPackageTransactions(
-    const CTxMemPool::setEntries &package) {
+    const Config &config, const CTxMemPool::setEntries &package) {
     uint64_t nPotentialBlockSize = nBlockSize;
     for (const CTxMemPool::txiter it : package) {
         CValidationState state;
-        if (!ContextualCheckTransaction(*config, it->GetTx(), state, nHeight,
+        if (!ContextualCheckTransaction(config, it->GetTx(), state, nHeight,
                                         nLockTimeCutoff, nMedianTimePast)) {
             return false;
         }
@@ -439,7 +439,7 @@
  * @param[out] nPackagesSelected    How many packages were selected
  * @param[out] nDescendantsUpdated  Number of descendant transactions updated
  */
-void BlockAssembler::addPackageTxs(int &nPackagesSelected,
+void BlockAssembler::addPackageTxs(const Config &config, int &nPackagesSelected,
                                    int &nDescendantsUpdated) {
 
     // selection algorithm orders the mempool based on feerate of a
@@ -557,7 +557,7 @@
         ancestors.insert(iter);
 
         // Test if all tx's are Final.
-        if (!TestPackageTransactions(ancestors)) {
+        if (!TestPackageTransactions(config, ancestors)) {
             if (fUsingModified) {
                 mapModifiedTx.get<ancestor_score>().erase(modit);
                 failedTx.insert(iter);