diff --git a/src/genworld_gui.cpp b/src/genworld_gui.cpp
--- a/src/genworld_gui.cpp
+++ b/src/genworld_gui.cpp
@@ -187,7 +187,7 @@ static const NWidgetPart _nested_generat
 				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NORTHWEST, STR_NULL), SetPadding(1, 0, 0, 0), SetFill(0, 1),
 			EndContainer(),
 			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, GLAND_WATER_NW), SetDataTip(STR_JUST_STRING, STR_MAPGEN_NORTHWEST), SetFill(1, 1),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, GLAND_WATER_SW), SetDataTip(STR_JUST_STRING, STR_MAPGEN_SOUTHWEST), SetFill(1, 1),
+			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, GLAND_WATER_NE), SetDataTip(STR_JUST_STRING, STR_MAPGEN_NORTHEAST), SetFill(1, 1),
 			NWidget(NWID_HORIZONTAL), SetPIP(3, 0, 0),
 				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_NORTHEAST, STR_NULL), SetPadding(1, 0, 0, 0), SetFill(0, 1),
 				NWidget(NWID_SPACER), SetFill(1, 1),
@@ -198,7 +198,7 @@ static const NWidgetPart _nested_generat
 				NWidget(NWID_SPACER), SetFill(1, 1),
 				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SOUTHWEST, STR_NULL), SetPadding(1, 0, 0, 0), SetFill(0, 1),
 			EndContainer(),
-			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, GLAND_WATER_NE), SetDataTip(STR_JUST_STRING, STR_MAPGEN_NORTHEAST), SetFill(1, 1),
+			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, GLAND_WATER_SW), SetDataTip(STR_JUST_STRING, STR_MAPGEN_SOUTHWEST), SetFill(1, 1),
 			NWidget(WWT_PUSHTXTBTN, COLOUR_ORANGE, GLAND_WATER_SE), SetDataTip(STR_JUST_STRING, STR_MAPGEN_SOUTHEAST), SetFill(1, 1),
 			NWidget(NWID_HORIZONTAL), SetPIP(3, 0, 0),
 				NWidget(WWT_TEXT, COLOUR_ORANGE), SetDataTip(STR_MAPGEN_SOUTHEAST, STR_NULL), SetPadding(1, 0, 0, 0), SetFill(0, 1),