1 files changed, 3 insertions, 3 deletions
diff --git a/src/primitives/block.h b/src/primitives/block.h
index 1449882bd0..d77ab162e0 100644
--- a/src/primitives/block.h
+++ b/src/primitives/block.h
@@ -53,8 +53,8 @@ public:
     void SetNull()
     {
         nVersion = CBlockHeader::CURRENT_VERSION;
-        hashPrevBlock = 0;
-        hashMerkleRoot = 0;
+        hashPrevBlock.SetNull();
+        hashMerkleRoot.SetNull();
         nTime = 0;
         nBits = 0;
         nNonce = 0;
@@ -162,7 +162,7 @@ struct CBlockLocator
         vHave.clear();
     }
 
-    bool IsNull()
+    bool IsNull() const
     {
         return vHave.empty();
     }