diff --git a/dpf.doxygen b/dpf.doxygen
index 2516e934..e4083934 100644
--- a/dpf.doxygen
+++ b/dpf.doxygen
@@ -257,6 +257,7 @@ PREDEFINED             = DOXYGEN \
                          DISTRHO_PLUGIN_WANT_LATENCY=1 \
                          DISTRHO_PLUGIN_WANT_MIDI_INPUT=1 \
                          DISTRHO_PLUGIN_WANT_MIDI_OUTPUT=1 \
+                         DISTRHO_PLUGIN_WANT_PARAMETER_VALUE_CHANGE_REQUEST=1 \
                          DISTRHO_PLUGIN_WANT_PROGRAMS=1 \
                          DISTRHO_PLUGIN_WANT_STATE=1 \
                          DISTRHO_PLUGIN_WANT_TIMEPOS=1 \