diff --git a/src/cryptonote_basic/cryptonote_basic_impl.cpp b/src/cryptonote_basic/cryptonote_basic_impl.cpp
index b18ef1c5c..c4e10851e 100644
--- a/src/cryptonote_basic/cryptonote_basic_impl.cpp
+++ b/src/cryptonote_basic/cryptonote_basic_impl.cpp
@@ -328,7 +328,7 @@ bool parse_hash256(const std::string str_hash, crypto::hash& hash)
   bool res = epee::string_tools::parse_hexstr_to_binbuff(str_hash, buf);
   if (!res || buf.size() != sizeof(crypto::hash))
   {
-    std::cout << "invalid hash format: <" << str_hash << '>' << std::endl;
+    MERROR("invalid hash format: " << str_hash);
     return false;
   }
   else