bblfsh-cli --help gives help message two times

[zurk]

➜  ~ go get -u gopkg.in/bblfsh/client-go.v3/...
➜  ~ bblfsh-cli --help
Usage:
  bblfsh-cli [OPTIONS]

Application Options:
  -a, --host=     Babelfish endpoint address (default: localhost:9432)
  -l, --language= language to parse (default: auto)
  -q, --query=    XPath query applied to the resulting UAST
  -m, --mode=     UAST transformation mode: semantic, annotated, native
  -o, --out=      Output format: yaml, json, bin (default: yaml)

Help Options:
  -h, --help      Show this help message

couldn't parse flags: Usage:
  bblfsh-cli [OPTIONS]

Application Options:
  -a, --host=     Babelfish endpoint address (default: localhost:9432)
  -l, --language= language to parse (default: auto)
  -q, --query=    XPath query applied to the resulting UAST
  -m, --mode=     UAST transformation mode: semantic, annotated, native
  -o, --out=      Output format: yaml, json, bin (default: yaml)

Help Options:
  -h, --help      Show this help message

I expect to see

➜  ~ go get -u gopkg.in/bblfsh/client-go.v3/...
➜  ~ bblfsh-cli --help
Usage:
  bblfsh-cli [OPTIONS]

Application Options:
  -a, --host=     Babelfish endpoint address (default: localhost:9432)
  -l, --language= language to parse (default: auto)
  -q, --query=    XPath query applied to the resulting UAST
  -m, --mode=     UAST transformation mode: semantic, annotated, native
  -o, --out=      Output format: yaml, json, bin (default: yaml)

Help Options:
  -h, --help      Show this help message