Is that a version of CWM Touch?
I believe this is a common issue, at least when I was having it and researched, and the accepted fix is to use a non-touch CWM. I'd recommend 188.8.131.52 as it has the ability for kexec and ensures you won't have an issue with flashing aftermarket kernels
Sent from my SCH-I535
Unlocked Verizon Galaxy S3 (SCH-i535)