diff --git a/distrho/src/DistrhoPluginInternal.hpp b/distrho/src/DistrhoPluginInternal.hpp
index c2f2aa3c..088ffe1b 100644
--- a/distrho/src/DistrhoPluginInternal.hpp
+++ b/distrho/src/DistrhoPluginInternal.hpp
@@ -113,7 +113,7 @@ struct Plugin::PrivateData {
 #endif
 
 #ifdef DISTRHO_PLUGIN_TARGET_LV2
-# if (DISTRHO_PLUGIN_IS_SYNTH || DISTRHO_PLUGIN_WANT_TIMEPOS || DISTRHO_PLUGIN_WANT_STATE)
+# if (DISTRHO_PLUGIN_WANT_MIDI_INPUT || DISTRHO_PLUGIN_WANT_TIMEPOS || DISTRHO_PLUGIN_WANT_STATE)
         parameterOffset += 1;
 #  if DISTRHO_PLUGIN_WANT_STATE
         parameterOffset += 1;
diff --git a/distrho/src/DistrhoUIPrivateData.hpp b/distrho/src/DistrhoUIPrivateData.hpp
index 1a25399e..a6d6809e 100644
--- a/distrho/src/DistrhoUIPrivateData.hpp
+++ b/distrho/src/DistrhoUIPrivateData.hpp
@@ -91,7 +91,7 @@ struct UI::PrivateData {
 #endif
 
 #ifdef DISTRHO_PLUGIN_TARGET_LV2
-# if (DISTRHO_PLUGIN_IS_SYNTH || DISTRHO_PLUGIN_WANT_TIMEPOS || DISTRHO_PLUGIN_WANT_STATE)
+# if (DISTRHO_PLUGIN_WANT_MIDI_INPUT || DISTRHO_PLUGIN_WANT_TIMEPOS || DISTRHO_PLUGIN_WANT_STATE)
         parameterOffset += 1;
 #  if DISTRHO_PLUGIN_WANT_STATE
         parameterOffset += 1;