diff --git a/res/core/messages.xml b/res/core/messages.xml
index 6892ec4e5..c28670d65 100644
--- a/res/core/messages.xml
+++ b/res/core/messages.xml
@@ -1910,10 +1910,9 @@
   <message name="use_antimagiccrystal" section="magic">
     <type>
       <arg name="unit" type="unit"/>
-      <arg name="region" type="region"/>
     </type>
-    <text locale="de">"$unit($unit) benutzt in $region($region) einen Antimagiekristall."</text>
-    <text locale="en">"$unit($unit) uses an antimagic crystal in $region($region)."</text>
+    <text locale="de">"$unit($unit) benutzt einen Antimagiekristall."</text>
+    <text locale="en">"$unit($unit) uses an antimagic crystal."</text>
   </message>
   <message name="magicboost_effect" section="magic">
     <type>
diff --git a/src/items.c b/src/items.c
index 6e995edaa..bb5009038 100644
--- a/src/items.c
+++ b/src/items.c
@@ -167,8 +167,7 @@ struct order *ord)
         }
     }
     use_pooled(u, rt_crystal, GET_DEFAULT, amount);
-    ADDMSG(&u->faction->msgs, msg_message("use_antimagiccrystal",
-        "unit region", u, r));
+    ADDMSG(&u->region->msgs, msg_message("use_antimagiccrystal", "unit", u));
     return 0;
 }