diff --git a/src/openrct2/world/Map.h b/src/openrct2/world/Map.h
index 412756356c..5202375f90 100644
--- a/src/openrct2/world/Map.h
+++ b/src/openrct2/world/Map.h
@@ -20,7 +20,7 @@
 #define MINIMUM_LAND_HEIGHT 2
 #define MAXIMUM_LAND_HEIGHT 142
 #define MINIMUM_WATER_HEIGHT 2
-#define MAXIMUM_WATER_HEIGHT 58
+#define MAXIMUM_WATER_HEIGHT 142
 
 #define MINIMUM_MAP_SIZE_TECHNICAL 15
 #define MAXIMUM_MAP_SIZE_TECHNICAL 1001