diff --git a/src/cryptonote_protocol/cryptonote_protocol_defs.h b/src/cryptonote_protocol/cryptonote_protocol_defs.h
index 3d594bf83..dcd108626 100644
--- a/src/cryptonote_protocol/cryptonote_protocol_defs.h
+++ b/src/cryptonote_protocol/cryptonote_protocol_defs.h
@@ -160,7 +160,7 @@ namespace cryptonote
       }
     END_KV_SERIALIZE_MAP()
 
-    block_complete_entry(): pruned(false) {}
+    block_complete_entry(): pruned(false), block_weight(0) {}
   };