diff --git a/src/openrct2/world/Park.cpp b/src/openrct2/world/Park.cpp
index b9b4808ea0..f1f3d3161c 100644
--- a/src/openrct2/world/Park.cpp
+++ b/src/openrct2/world/Park.cpp
@@ -768,7 +768,7 @@ void update_park_fences_around_tile(sint32 x, sint32 y)
 void park_set_name(const char *name)
 {
     // Required else the pointer arithmetic in the game commands below could cause an access violation
-    char* newName = (char *)malloc(USER_STRING_MAX_LENGTH + 1);
+    char* newName = (char *)malloc(USER_STRING_MAX_LENGTH + 5);
     strncpy(newName, name, USER_STRING_MAX_LENGTH);
 
     gGameCommandErrorTitle = STR_CANT_RENAME_PARK;