diff --git a/src/midi_mapper.cpp b/src/midi_mapper.cpp
index 4f8bd26..0c49e77 100644
--- a/src/midi_mapper.cpp
+++ b/src/midi_mapper.cpp
@@ -118,12 +118,16 @@ void MidiMapper::refresh() {
     auto snap = m_engine.snapshot();
     auto &pw  = m_engine.pwData();
 
-    // Identify MIDI source nodes (Output or Duplex mode, Midi type)
+    // Identify MIDI source nodes.
+    // Use mode2 (derived from actual port directions) rather than mode (from
+    // media.class string) because Midi/Bridge nodes have mode=None but still
+    // have real output ports and must be captured.
     std::vector<std::pair<uint32_t, std::string>> midi_sources;
     for (auto &n : snap.nodes) {
         if (!n.ready) continue;
         bool is_midi   = (n.node_type & NodeType::Midi) != NodeType::None;
-        bool is_source = (n.mode & PortMode::Output) != PortMode::None;
+        bool is_source = (n.mode  & PortMode::Output) != PortMode::None ||
+                         (n.mode2 & PortMode::Output) != PortMode::None;
         if (is_midi && is_source)
             midi_sources.emplace_back(n.id, n.name);
     }