diff options
| -rw-r--r-- | src/newgrf_storage.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/newgrf_storage.h b/src/newgrf_storage.h index f5044b05d..528d4ff3c 100644 --- a/src/newgrf_storage.h +++ b/src/newgrf_storage.h @@ -84,7 +84,7 @@ struct PersistentStorageArray : BaseStorageArray { if (this->storage[pos] == value) return; /* We do not have made a backup; lets do so */ - if (this->prev_storage != NULL) { + if (this->prev_storage == NULL) { this->prev_storage = MallocT<TYPE>(SIZE); memcpy(this->prev_storage, this->storage, sizeof(this->storage)); @@ -121,6 +121,7 @@ struct PersistentStorageArray : BaseStorageArray { memcpy(this->storage, this->prev_storage, sizeof(this->storage)); } free(this->prev_storage); + this->prev_storage = NULL; } }; |