diff --git a/src/names.c b/src/names.c
index 7a0855ef4..e32d553d7 100644
--- a/src/names.c
+++ b/src/names.c
@@ -360,7 +360,7 @@ static const char *dracoid_name(const unit * u)
     size_t sz;
 
     /* ignore u */
-    u = 0;
+    unused_arg(u);
     /* Wieviele Mittelteile? */
 
     mid_syllabels = rng_int() % 4;