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
@@ -1074,26 +1074,26 @@ static const NWidgetPart _nested_sprite_
 				EndContainer(),
 				NWidget(NWID_HORIZONTAL), SetPIP(10, 5, 10),
 					NWidget(NWID_SPACER), SetFill(1, 1),
-					NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SA_UP), SetDataTip(SPR_ARROW_UP, STR_SPRITE_ALIGNER_MOVE_TOOLTIP), SetResize(0, 0),
+					NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SA_UP), SetDataTip(SPR_ARROW_UP, STR_SPRITE_ALIGNER_MOVE_TOOLTIP), SetResize(0, 0), SetMinimalSize(11, 11),
 					NWidget(NWID_SPACER), SetFill(1, 1),
 				EndContainer(),
 				NWidget(NWID_HORIZONTAL_LTR), SetPIP(10, 5, 10),
 					NWidget(NWID_VERTICAL),
 						NWidget(NWID_SPACER), SetFill(1, 1),
-						NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SA_LEFT), SetDataTip(SPR_ARROW_LEFT, STR_SPRITE_ALIGNER_MOVE_TOOLTIP), SetResize(0, 0),
+						NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SA_LEFT), SetDataTip(SPR_ARROW_LEFT, STR_SPRITE_ALIGNER_MOVE_TOOLTIP), SetResize(0, 0), SetMinimalSize(11, 11),
 						NWidget(NWID_SPACER), SetFill(1, 1),
 					EndContainer(),
 					NWidget(WWT_PANEL, COLOUR_DARK_BLUE, WID_SA_SPRITE), SetDataTip(STR_NULL, STR_SPRITE_ALIGNER_SPRITE_TOOLTIP),
 					EndContainer(),
 					NWidget(NWID_VERTICAL),
 						NWidget(NWID_SPACER), SetFill(1, 1),
-						NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SA_RIGHT), SetDataTip(SPR_ARROW_RIGHT, STR_SPRITE_ALIGNER_MOVE_TOOLTIP), SetResize(0, 0),
+						NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SA_RIGHT), SetDataTip(SPR_ARROW_RIGHT, STR_SPRITE_ALIGNER_MOVE_TOOLTIP), SetResize(0, 0), SetMinimalSize(11, 11),
 						NWidget(NWID_SPACER), SetFill(1, 1),
 					EndContainer(),
 				EndContainer(),
 				NWidget(NWID_HORIZONTAL), SetPIP(10, 5, 10),
 					NWidget(NWID_SPACER), SetFill(1, 1),
-					NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SA_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_SPRITE_ALIGNER_MOVE_TOOLTIP), SetResize(0, 0),
+					NWidget(WWT_PUSHIMGBTN, COLOUR_GREY, WID_SA_DOWN), SetDataTip(SPR_ARROW_DOWN, STR_SPRITE_ALIGNER_MOVE_TOOLTIP), SetResize(0, 0), SetMinimalSize(11, 11),
 					NWidget(NWID_SPACER), SetFill(1, 1),
 				EndContainer(),
 				NWidget(WWT_LABEL, COLOUR_GREY, WID_SA_OFFSETS_ABS), SetDataTip(STR_SPRITE_ALIGNER_OFFSETS_ABS, STR_NULL), SetFill(1, 0), SetPadding(0, 10, 0, 10),