diff --git a/game/theater/conflicttheater.py b/game/theater/conflicttheater.py
index 1db5cee5..2eefdbc9 100644
--- a/game/theater/conflicttheater.py
+++ b/game/theater/conflicttheater.py
@@ -699,6 +699,7 @@ class ConflictTheater:
             "Normandy": NormandyTheater,
             "The Channel": TheChannelTheater,
             "Syria": SyriaTheater,
+            "MarianaIslands": MarianaIslandsTheater,
         }
         theater = theaters[data["theater"]]
         t = theater()
diff --git a/qt_ui/uiconstants.py b/qt_ui/uiconstants.py
index ad4f26e4..761cbc19 100644
--- a/qt_ui/uiconstants.py
+++ b/qt_ui/uiconstants.py
@@ -68,7 +68,7 @@ def load_icons():
     ICONS["Terrain_Normandy"] = QPixmap("./resources/ui/terrain_normandy.gif")
     ICONS["Terrain_TheChannel"] = QPixmap("./resources/ui/terrain_channel.gif")
     ICONS["Terrain_Syria"] = QPixmap("./resources/ui/terrain_syria.gif")
-    ICONS["Terrain_Mariana"] = QPixmap("./resources/ui/terrain_mariana.gif")
+    ICONS["Terrain_MarianaIslands"] = QPixmap("./resources/ui/terrain_marianas.gif")
 
     ICONS["Dawn"] = QPixmap("./resources/ui/conditions/timeofday/dawn.png")
     ICONS["Day"] = QPixmap("./resources/ui/conditions/timeofday/day.png")