diff --git a/src/lang/turkish.txt b/src/lang/turkish.txt
--- a/src/lang/turkish.txt
+++ b/src/lang/turkish.txt
@@ -3130,7 +3130,7 @@ STR_MAPGEN_DESERT_COVERAGE_DOWN                                 :{BLACK}Çöl örtüsünü yüzde on azalt
 STR_MAPGEN_DESERT_COVERAGE_TEXT                                 :{BLACK}%{NUM}
 STR_MAPGEN_LAND_GENERATOR                                       :{BLACK}Harita üretici:
 STR_MAPGEN_TERRAIN_TYPE                                         :{BLACK}Arazi türü:
-STR_MAPGEN_QUANTITY_OF_SEA_LAKES                                :{BLACK}Deniz seviyesi:
+STR_MAPGEN_SEA_LEVEL                                            :{BLACK}Deniz seviyesi:
 STR_MAPGEN_QUANTITY_OF_RIVERS                                   :{BLACK}Nehirler:
 STR_MAPGEN_SMOOTHNESS                                           :{BLACK}Düzlük seviyesi:
 STR_MAPGEN_VARIETY                                              :{BLACK}Çeşitlilik dağılımı: