diff --git a/src/lang/basque.txt b/src/lang/basque.txt
--- a/src/lang/basque.txt
+++ b/src/lang/basque.txt
@@ -2727,7 +2727,7 @@ STR_MAPGEN_DATE                         
 STR_MAPGEN_NUMBER_OF_INDUSTRIES                                 :{BLACK}Industria kopurua:
 STR_MAPGEN_LAND_GENERATOR                                       :{BLACK}Paisaia sortzailea:
 STR_MAPGEN_TERRAIN_TYPE                                         :{BLACK}Lur mota:
-STR_MAPGEN_QUANTITY_OF_SEA_LAKES                                :{BLACK}Itsaso kopurua:
+STR_MAPGEN_SEA_LEVEL                                            :{BLACK}Itsaso kopurua:
 STR_MAPGEN_QUANTITY_OF_RIVERS                                   :{BLACK}Errekak:
 STR_MAPGEN_SMOOTHNESS                                           :{BLACK}Leuntasuna:
 STR_MAPGEN_VARIETY                                              :{BLACK}Barietateen distribuzioa: