diff --git a/src/main.cpp b/src/main.cpp
index fa79c73c5..58ff820f5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3664,12 +3664,13 @@ bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationState& sta
         // Check that the block chain matches the known block chain up to a checkpoint
         if (!Checkpoints::CheckBlock(chainParams.Checkpoints(), nHeight, hash))
         {
-            CBlockIndex *heightblock = chainActive[nHeight];
+            /*CBlockIndex *heightblock = chainActive[nHeight];
             if ( heightblock != 0 && heightblock->GetBlockHash() == hash )
             {
                 //fprintf(stderr,"got a pre notarization block that matches height.%d\n",(int32_t)nHeight);
                 return true;
-            } return state.DoS(100, error("%s: rejected by checkpoint lock-in at %d", __func__, nHeight),REJECT_CHECKPOINT, "checkpoint mismatch");
+            }*/
+            return state.DoS(100, error("%s: rejected by checkpoint lock-in at %d", __func__, nHeight),REJECT_CHECKPOINT, "checkpoint mismatch");
         }
         // Don't accept any forks from the main chain prior to last checkpoint
         CBlockIndex* pcheckpoint = Checkpoints::GetLastCheckpoint(chainParams.Checkpoints());