diff --git a/src/openrct2-ui/UiStringIds.h b/src/openrct2-ui/UiStringIds.h
index 93f1086549..17b5e0adce 100644
--- a/src/openrct2-ui/UiStringIds.h
+++ b/src/openrct2-ui/UiStringIds.h
@@ -908,7 +908,7 @@ namespace OpenRCT2
         STR_ENTER_MIN_LAND = 6691,
         STR_ENTER_MIN_TREE_ALTITUDE = 6695,
         STR_ENTER_OCTAVES = 6703,
-        STR_ENTER_SMOOTH_STRENGTH = 6708,
+        STR_ENTER_SMOOTH_STRENGTH = 6709,
         STR_ENTER_TREE_TO_LAND_RATIO = 6699,
         STR_ENTER_WATER_LEVEL = 5186,
         STR_HEIGHTMAP_FILE = 6681,
@@ -944,7 +944,7 @@ namespace OpenRCT2
         STR_MIN_TREE_ALTITUDE = 6694,
         STR_SIMPLEX_BASE_FREQUENCY = 6700,
         STR_SIMPLEX_OCTAVES = 6702,
-        STR_SMOOTH_STRENGTH = 6709,
+        STR_SMOOTH_STRENGTH = 6708,
         STR_TERRAIN_LABEL = 2693,
         STR_TREE_TO_LAND_RATIO = 6694,
         STR_WATER_LEVEL = 5185,