diff --git a/library/modules/Units.cpp b/library/modules/Units.cpp
index dc76c6802..c4b9e60fa 100644
--- a/library/modules/Units.cpp
+++ b/library/modules/Units.cpp
@@ -212,7 +212,7 @@ void Units::setNickname(df::unit *unit, std::string nick)
             case df::identity_type::Unk_1:  // Guess, but that's how it worked in the past
             case df::identity_type::TrueName:
             case df::identity_type::Unk_4:  // Pure guess, as this is a new case, still unseen
-                id_hfig = df::historical_figure::find(identity->figure.historical);
+                id_hfig = df::historical_figure::find(identity->histfig_id);
                 break;
             }