diff --git a/src/names.c b/src/names.c
index bc740a704..ef2d58422 100644
--- a/src/names.c
+++ b/src/names.c
@@ -248,6 +248,8 @@ static void dragon_name(unit * u)
     case T_GLACIER:
         ter = 5;
         break;
+    default:
+        ter = 0;
     }
 
     if (num_postfix <=0) {