2 files changed, 7 insertions, 3 deletions
diff --git a/src/debug_utilities/cn_deserialize.cpp b/src/debug_utilities/cn_deserialize.cpp
index a59c04dc6..04c0935c8 100644
--- a/src/debug_utilities/cn_deserialize.cpp
+++ b/src/debug_utilities/cn_deserialize.cpp
@@ -154,7 +154,11 @@ int main(int argc, char* argv[])
     std::cout << "Parsed transaction:" << std::endl;
     std::cout << cryptonote::obj_to_json_str(tx) << std::endl;
 
-    if (cryptonote::parse_tx_extra(tx.extra, fields))
+    bool parsed = cryptonote::parse_tx_extra(tx.extra, fields);
+    if (!parsed)
+      std::cout << "Failed to parse tx_extra" << std::endl;
+
+    if (!fields.empty())
     {
       std::cout << "tx_extra has " << fields.size() << " field(s)" << std::endl;
       for (size_t n = 0; n < fields.size(); ++n)
@@ -171,7 +175,7 @@ int main(int argc, char* argv[])
     }
     else
     {
-      std::cout << "Failed to parse tx_extra" << std::endl;
+      std::cout << "No fields were found in tx_extra" << std::endl;
     }
   }
   else
diff --git a/src/debug_utilities/object_sizes.cpp b/src/debug_utilities/object_sizes.cpp
index 82d8a4add..967742229 100644
--- a/src/debug_utilities/object_sizes.cpp
+++ b/src/debug_utilities/object_sizes.cpp
@@ -51,7 +51,7 @@ class size_logger
 public:
   ~size_logger()
   {
-    for (const auto i: types)
+    for (const auto &i: types)
       std::cout << std::to_string(i.first) << "\t" << i.second << std::endl;
   }
   void add(const char *type, size_t size) { types.insert(std::make_pair(size, type)); }