diff --git a/res/core/messages.xml b/res/core/messages.xml
index 00f0107e9..0090360b0 100644
--- a/res/core/messages.xml
+++ b/res/core/messages.xml
@@ -2899,9 +2899,10 @@
     <type>
       <arg name="unit" type="unit"/>
       <arg name="region" type="region"/>
+      <arg name="terrain" type="string"/>
     </type>
-    <text locale="de">"$unit($unit) entdeckt, dass $region($region) $terrain($region) ist."</text>
-    <text locale="en">"$unit($unit) discovered that $region($region) is $terrain($region)."</text>
+    <text locale="de">"$unit($unit) entdeckt, dass $region($region) $localize($terrain) ist."</text>
+    <text locale="en">"$unit($unit) discovered that $region($region) is $localize($terrain)."</text>
   </message>
   <message name="leftship" section="movement">
     <type>
diff --git a/src/move.c b/src/move.c
index 01a521391..04a50b45d 100644
--- a/src/move.c
+++ b/src/move.c
@@ -1592,13 +1592,13 @@ static const region_list *travel_route(unit * u,
                 else if ((u_race(u)->flags & RCF_WALK) == 0) {
                     /* Spezialeinheiten, die nicht laufen können. */
                     ADDMSG(&u->faction->msgs, msg_message("detectocean",
-                        "unit region", u, next));
+                        "unit region terrain", u, next, terrain_name(next)));
                     break;
                 }
                 else if (landing) {
                     /* wir sind diese woche angelandet */
                     ADDMSG(&u->faction->msgs, msg_message("detectocean",
-                        "unit region", u, next));
+                        "unit region terrain", u, next, terrain_name(next)));
                     break;
                 }
             }
@@ -1607,7 +1607,7 @@ static const region_list *travel_route(unit * u,
                  * Pferde betreten werden. */
                 if (!(canswim(u) || canfly(u))) {
                     ADDMSG(&u->faction->msgs, msg_message("detectocean",
-                        "unit region", u, next));
+                        "unit region terrain", u, next, terrain_name(next)));
                     break;
                 }
             }