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Diffstat (limited to 'src/mame/drivers/fmtowns.cpp')
-rw-r--r--src/mame/drivers/fmtowns.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/fmtowns.cpp b/src/mame/drivers/fmtowns.cpp
index d7a55505e6f..bba14c814a7 100644
--- a/src/mame/drivers/fmtowns.cpp
+++ b/src/mame/drivers/fmtowns.cpp
@@ -288,8 +288,8 @@ void towns_state::init_rtc()
m_towns_rtc_reg[7] = systm.local_time.mday % 10;
m_towns_rtc_reg[8] = systm.local_time.mday / 10;
// month
- m_towns_rtc_reg[9] = systm.local_time.month % 10;
- m_towns_rtc_reg[10] = systm.local_time.month / 10;
+ m_towns_rtc_reg[9] = (systm.local_time.month + 1) % 10;
+ m_towns_rtc_reg[10] = (systm.local_time.month + 1) / 10;
// year
m_towns_rtc_reg[11] = (systm.local_time.year - 2000) % 10;
m_towns_rtc_reg[12] = (systm.local_time.year - 2000) / 10;