I Was Wrong (lagu 2AM)

I Was Wrong (Hangul: "잘못했어", "Jalmot haesseo") adalah lagu dari boy band balada asal Korea Selatan, 2AM. Mini albumnya dirilis pada tanggal 18 Maret 2010.

I Was Wrong
Album mini karya 2AM
Dirilis	18 Maret 2010 (Korea Selatan)
Direkam	2010
Genre	K-pop, dance
Label	Big Hit Entertainment
Kronologi 2AM
Can't Let You Go Even If I Die (2010)Can't Let You Go Even If I Die2010 I Did Wrong (2010) Saint o'Clock (2010)Saint o'Clock2010
Singel dalam album I Was Wrong
"죽어도 못 보내 (Can't Let You Go Even If I Die)" Dirilis: 21 Januari 2010 "잘못했어 (I Was Wrong)" Dirilis: 16 Maret 2010

Daftar lagu

1. Prologue
2. 잘못했어 (I Was Wrong)
3. 어떡하죠 (What Do I Do)
4. 아니라기에 (Not Because)
5. 일단 돌아서지만 (Although You've Turned Around Now)
6. Lost
7. 죽어도 못보내 (Can't Let You Go Even If I Die)
8. 웃어 줄 수 없어서 미안하다 (I’m Sorry I Can’t Laugh For You)
9. I Love You (feat. Baek Chan, Joo Hee of 8eight)
10. 그녀에게 (To Her) (feat. Chansung of 2PM)
11. Epilogue (웃는다) (Laugh)