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-rw-r--r--firmware/system.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/firmware/system.c b/firmware/system.c
index 81d5ee9202..6e6408bf1b 100644
--- a/firmware/system.c
+++ b/firmware/system.c
@@ -935,7 +935,7 @@ void UIE (unsigned int pc) /* Unexpected Interrupt or Exception */
lcd_setfont(FONT_SYSFIXED);
#endif
/* output exception */
- n = (n - (unsigned)UIE4 - 20)>>2; /* get exception or interrupt number */
+ n = (n - (unsigned)UIE4 + 12)>>2; /* get exception or interrupt number */
snprintf(str,sizeof(str),"I%02x:%s",n,irqname[n]);
lcd_puts(0,0,str);
snprintf(str,sizeof(str),"at %08x",pc);