Strange problem with variables

I am making a game and every time you press the button it is supposed to add 1 to the score. Even though I have it set to plus 1 it always goes up by four. Why is this? Am I doing something wrong?Here is the action I am using.
-(IBAction)addscore{
scoreInt+=1;
NSString *taps = [NSString stringWithFormat:@"%d", scoreInt];
scoreText.text = taps;
Message was edited by: Sega dude

Here is the result of the watchpoint: http://img689.imageshack.us/i/watchpoint.png/.
This is the result of NSLog before and after:
2010-12-26 17:26:33.618 Tap Tap Frenzy![569:207] Before 0
2010-12-26 17:26:33.621 Tap Tap Frenzy![569:207] After 4
2010-12-26 17:26:34.769 Tap Tap Frenzy![569:207] Before 4
2010-12-26 17:26:34.771 Tap Tap Frenzy![569:207] After 8
2010-12-26 17:26:35.809 Tap Tap Frenzy![569:207] Before 8
2010-12-26 17:26:35.810 Tap Tap Frenzy![569:207] After 12
2010-12-26 17:26:36.840 Tap Tap Frenzy![569:207] Before 12
2010-12-26 17:26:36.842 Tap Tap Frenzy![569:207] After 16
2010-12-26 17:26:37.984 Tap Tap Frenzy![569:207] Before 16
2010-12-26 17:26:37.985 Tap Tap Frenzy![569:207] After 20
2010-12-26 17:26:39.095 Tap Tap Frenzy![569:207] Before 20
2010-12-26 17:26:39.097 Tap Tap Frenzy![569:207] After 24
2010-12-26 17:26:40.167 Tap Tap Frenzy![569:207] Before 24
2010-12-26 17:26:40.169 Tap Tap Frenzy![569:207] After 28
I have scoreInt=0 in my viewdidload method but I don't think that makes a difference.
Message was edited by: Sega dude

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