diff --git a/data/terrain-graphics.cfg b/data/terrain-graphics.cfg
index c67e006a6d6..590e3ce5e81 100644
--- a/data/terrain-graphics.cfg
+++ b/data/terrain-graphics.cfg
@@ -629,9 +629,9 @@
 {TERRAIN_ADJACENT          -182        FSVe     s       snow-to-water}
 {TERRAIN_ADJACENT          -183        SVFe    !SVFeX snow}
 {TERRAIN_ADJACENT          -184        i      !iX     ice}
-{TERRAIN_ADJACENT          -185        TG     ks      savanna-to-water}
-{TERRAIN_ADJACENT          -186        TG     cZp\|/  savanna-to-water}
-{TERRAIN_ADJACENT          -187        TG     s       savanna-to-water}
+{TERRAIN_ADJACENT          -185        TGL     ks      savanna-to-water}
+{TERRAIN_ADJACENT          -186        TGL     cZp\|/  savanna-to-water}
+{TERRAIN_ADJACENT          -187        TGL     s       savanna-to-water}
 {TERRAIN_ADJACENT          -188        ftgvX?  ks      grassland-to-water}
 {TERRAIN_ADJACENT          -189        ftgvX?  cZp\|/  grassland-to-water}
 {TERRAIN_ADJACENT          -190        ftgvX?  swY     grassland-to-water}