diff --git a/src/newgrf_debug_gui.cpp b/src/newgrf_debug_gui.cpp
--- a/src/newgrf_debug_gui.cpp
+++ b/src/newgrf_debug_gui.cpp
@@ -804,7 +804,7 @@ GrfSpecFeature GetGrfSpecFeature(Vehicle
 
 /** Window used for aligning sprites. */
 struct SpriteAlignerWindow : Window {
-	typedef SmallPair<int16, int16> XyOffs;    ///< Pair for x and y offsets of the sprite before alignment. First value contains the x offset, second value y offset.
+	typedef std::pair<int16, int16> XyOffs;    ///< Pair for x and y offsets of the sprite before alignment. First value contains the x offset, second value y offset.
 
 	SpriteID current_sprite;                   ///< The currently shown sprite.
 	Scrollbar *vscroll;