diff --git a/modules/juce_midi_ci/ci/juce_CIParser.cpp b/modules/juce_midi_ci/ci/juce_CIParser.cpp
index d9484fa112..1b7178305a 100644
--- a/modules/juce_midi_ci/ci/juce_CIParser.cpp
+++ b/modules/juce_midi_ci/ci/juce_CIParser.cpp
@@ -162,7 +162,29 @@ private:
     {
         const auto opts = ToVarOptions{}.withExplicitVersion ((int) msg->header.version)
                                         .withVersionIncluded (false);
-        const auto json = ToVar::convert (body, opts);
+        auto json = ToVar::convert (body, opts);
+
+        if (auto* obj = json->getDynamicObject(); obj != nullptr && obj->hasProperty ("header"))
+        {
+            const auto header = obj->getProperty ("header");
+            const auto bytes = [&]() -> std::vector<std::byte>
+            {
+                const auto* arr = header.getArray();
+
+                if (arr == nullptr)
+                    return {};
+
+                std::vector<std::byte> vec;
+                vec.reserve ((size_t) arr->size());
+
+                for (const auto& i : *arr)
+                    vec.push_back ((std::byte) (int) i);
+
+                return vec;
+            }();
+
+            obj->setProperty ("header", Encodings::jsonFrom7BitText (bytes));
+        }
 
         if (json.has_value())
             *result = String (getDescription (body)) + ": " + JSON::toString (*json, JSON::FormatOptions{}.withSpacing (JSON::Spacing::none));