diff --git a/src/common/logging.cpp b/src/common/logging.cpp
index 37c719bc..43afb4b9 100644
--- a/src/common/logging.cpp
+++ b/src/common/logging.cpp
@@ -43,8 +43,6 @@ constexpr char logging_file_environment_variable[] = "YABRIDGE_DEBUG_FILE";
 constexpr char logging_verbosity_environment_variable[] =
     "YABRIDGE_DEBUG_LEVEL";
 
-std::optional<std::string> opcode_to_string(bool is_dispatch, int opcode);
-
 Logger::Logger(std::shared_ptr<std::ostream> stream,
                Verbosity verbosity_level,
                std::string prefix)
diff --git a/src/common/logging.h b/src/common/logging.h
index ad2da1fe..51167236 100644
--- a/src/common/logging.h
+++ b/src/common/logging.h
@@ -117,3 +117,5 @@ class Logger {
      */
     std::string prefix;
 };
+
+std::optional<std::string> opcode_to_string(bool is_dispatch, int opcode);
diff --git a/src/wine-host/plugin-bridge.cpp b/src/wine-host/plugin-bridge.cpp
index 9b1a2b25..ccc4bdfa 100644
--- a/src/wine-host/plugin-bridge.cpp
+++ b/src/wine-host/plugin-bridge.cpp
@@ -203,6 +203,11 @@ class HostCallbackDataConverter : DefaultDataConverter {
             //       be needed? `audioMasterWantMidi` is deprecated though.
             case audioMasterWantMidi:
             case audioMasterUpdateDisplay:
+                std::cerr << "Got opcode "
+                          << opcode_to_string(false, opcode)
+                                 .value_or(std::to_string(opcode))
+                          << "), ignoring..." << std::endl;
+
                 return std::nullopt;
                 break;
             default: