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-rw-r--r--newgrf_spritegroup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/newgrf_spritegroup.c b/newgrf_spritegroup.c
index f6e0e37bb..601116e7a 100644
--- a/newgrf_spritegroup.c
+++ b/newgrf_spritegroup.c
@@ -76,7 +76,7 @@ static inline uint32 GetVariable(const ResolverObject *object, byte variable, by
/* Return common variables */
switch (variable) {
case 0x00: return _date;
- case 0x01: return clamp(_cur_year, BASE_YEAR, MAX_YEAR) - BASE_YEAR;
+ case 0x01: return clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR;
case 0x02: return _cur_month;
case 0x03: return _opt.landscape;
case 0x09: return _date_fract;