1 files changed, 4 insertions, 0 deletions
diff --git a/crawl-ref/source/item_use.cc b/crawl-ref/source/item_use.cc
index ab1fc8e335..73e21523d9 100644
--- a/crawl-ref/source/item_use.cc
+++ b/crawl-ref/source/item_use.cc
@@ -504,6 +504,10 @@ void wield_effects(int item_wield_2, bool showMsgs)
             setLOSRadius(you.current_vision);
             you.special_wield = SPWLD_SHADOW;
         }
+        else if (item.sub_type == MISC_HORN_OF_GERYON)
+        {
+            set_ident_flags(item, ISFLAG_IDENT_MASK);
+        }
         break;
     }