Index: industry_gui.cpp
===================================================================
--- industry_gui.cpp	(revision 21002)
+++ industry_gui.cpp	(working copy)
@@ -927,6 +927,12 @@
 		if (this->viewport != NULL) {
 			NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(IVW_VIEWPORT);
 			nvp->UpdateViewportCoordinates(this);
+
+			/* Recenter viewport */
+			TileIndex t = Industry::Get(this->window_number)->location.tile + TileDiffXY(1, 1);
+			int x = TileX(t) * TILE_SIZE;
+			int y = TileY(t) * TILE_SIZE;
+			ScrollWindowTo(x, y, -1, this, true);
 		}
 	}
 
Index: widget.cpp
===================================================================
--- widget.cpp	(revision 21002)
+++ widget.cpp	(working copy)
@@ -1573,7 +1573,7 @@
 /**
  * Initialize the viewport of the window.
  * @param w            Window owning the viewport.
- * @param follow_flags Type of viewport, see #InitializeViewport().
+ * @param follow_flags Type of viewport, see #InitializeWindowViewport().
  * @param zoom         Zoom level.
  */
 void NWidgetViewport::InitializeViewport(Window *w, uint32 follow_flags, ZoomLevel zoom)
Index: viewport.cpp
===================================================================
--- viewport.cpp	(revision 21002)
+++ viewport.cpp	(working copy)
@@ -173,7 +173,7 @@
  * @param height Height of the viewport
  * @param follow_flags Flags controlling the viewport.
  *        - If bit 31 is set, the lower 16 bits are the vehicle that the viewport should follow.
- *        - If bit 31 is clear, it is a tile position.
+ *        - If bit 31 is clear, it is a #TileIndex.
  * @param zoom Zoomlevel to display
  */
 void InitializeWindowViewport(Window *w, int x, int y,