diff --git a/src/openrct2-ui/windows/Map.cpp b/src/openrct2-ui/windows/Map.cpp
index 371bfa8864..c4d1dbcdb4 100644
--- a/src/openrct2-ui/windows/Map.cpp
+++ b/src/openrct2-ui/windows/Map.cpp
@@ -136,7 +136,7 @@ static constexpr const ScreenCoordsXY MiniMapOffsets[] = {
 
 class MapWindow final : public Window
 {
-    uint8_t rotation;
+    uint8_t _rotation;
 
 public:
     MapWindow()
@@ -154,7 +154,7 @@ public:
 
         InitScrollWidgets();
 
-        rotation = get_current_rotation();
+        _rotation = get_current_rotation();
 
         InitMap();
         gWindowSceneryRotation = 0;
@@ -320,9 +320,9 @@ public:
 
     void OnUpdate() override
     {
-        if (get_current_rotation() != rotation)
+        if (get_current_rotation() != _rotation)
         {
-            rotation = get_current_rotation();
+            _rotation = get_current_rotation();
             InitMap();
             CentreMapOnViewPoint();
         }