diff --git a/src/bin/eolian_mono/eolian/mono/blacklist.hh b/src/bin/eolian_mono/eolian/mono/blacklist.hh
index 684b842c24..fff61c7231 100644
--- a/src/bin/eolian_mono/eolian/mono/blacklist.hh
+++ b/src/bin/eolian_mono/eolian/mono/blacklist.hh
@@ -45,6 +45,7 @@ inline bool is_function_blacklisted(std::string const& c_name)
     || c_name == "efl_ui_spin_button_loop_get"
     || c_name == "efl_ui_list_model_size_get"
     || c_name == "efl_ui_list_relayout_layout_do"
+    || c_name == "efl_event_callback_forwarder_priority_add" // Depends on constants support.
     ;
 }