diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index 3334f4983..06fc1ab49 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -3911,7 +3911,7 @@ uint64_t Blockchain::prevalidate_block_hashes(uint64_t height, const std::list<c
       // add to the known hashes array
       if (!valid)
       {
-        MWARNING("invalid hash for blocks " << n * HASH_OF_HASHES_STEP << " - " << (n * HASH_OF_HASHES_STEP + HASH_OF_HASHES_STEP - 1));
+        MDEBUG("invalid hash for blocks " << n * HASH_OF_HASHES_STEP << " - " << (n * HASH_OF_HASHES_STEP + HASH_OF_HASHES_STEP - 1));
         break;
       }