Looks like you have found a bug, I can reproduce it.
oclHashcat-plus64.exe -a 1 --force -m 0 -j ^1 -k ^2 "cb7340c3ad7182f6cbc1d808a33e1acf" text1.txt text2.txt
cb7340c3ad7182f6cbc1d808a33e1acf does indeed resolve to 1boy2girls
Would you like to report it on the Trac ?
oclHashcat-plus64.exe -a 1 --force -m 0 -j ^1 -k ^2 "cb7340c3ad7182f6cbc1d808a33e1acf" text1.txt text2.txt
cb7340c3ad7182f6cbc1d808a33e1acf does indeed resolve to 1boy2girls
Would you like to report it on the Trac ?