diff --git a/autoload/syntastic/preprocess.vim b/autoload/syntastic/preprocess.vim
index 68002951..339150ed 100644
--- a/autoload/syntastic/preprocess.vim
+++ b/autoload/syntastic/preprocess.vim
@@ -68,10 +68,15 @@ function! syntastic#preprocess#flow(errors) abort " {{{2
     let false = 0
     let null = ''
 
+    let idx = 0
+    while idx < len(a:errors) && a:errors[idx][0] != '{'
+        let idx += 1
+    endwhile
+
     " A hat tip to Marc Weber for this trick
     " http://stackoverflow.com/questions/17751186/iterating-over-a-string-in-vimscript-or-parse-a-json-file/19105763#19105763
     try
-        let errs = eval(join(a:errors, ''))
+        let errs = eval(join(a:errors[idx :], ''))
     catch
         let errs = {}
     endtry
diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index 324a7721..dda6ec82 100644
--- a/plugin/syntastic.vim
+++ b/plugin/syntastic.vim
@@ -19,7 +19,7 @@ if has('reltime')
     lockvar! g:_SYNTASTIC_START
 endif
 
-let g:_SYNTASTIC_VERSION = '3.6.0-84'
+let g:_SYNTASTIC_VERSION = '3.6.0-85'
 lockvar g:_SYNTASTIC_VERSION
 
 " Sanity checks {{{1
diff --git a/syntax_checkers/javascript/flow.vim b/syntax_checkers/javascript/flow.vim
index 077a917e..5db9f864 100644
--- a/syntax_checkers/javascript/flow.vim
+++ b/syntax_checkers/javascript/flow.vim
@@ -21,13 +21,20 @@ endif
 let s:save_cpo = &cpo
 set cpo&vim
 
+function! SyntaxCheckers_javascript_flow_IsAvailable() dict
+    if !executable(self.getExec())
+        return 0
+    endif
+    return syntastic#util#versionIsAtLeast(self.getVersion(), [0, 6])
+endfunction
+
 function! SyntaxCheckers_javascript_flow_GetLocList() dict
     if findfile('.flowconfig', '.;') ==# ''
         return []
     endif
 
     let makeprg = self.makeprgBuild({
-        \ 'exe': self.getExecEscaped() . ' check',
+        \ 'exe': self.getExecEscaped() . ' status',
         \ 'args_after': '--show-all-errors --json' })
 
     let errorformat =