diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index 2af130b6..17fc86a4 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 = '3.9.0-33'
+let g:_SYNTASTIC_VERSION = '3.9.0-34'
 lockvar g:_SYNTASTIC_VERSION
 
 " Sanity checks {{{1
diff --git a/syntax_checkers/perl6/perl6.vim b/syntax_checkers/perl6/perl6.vim
index fe1dd10b..f00f228f 100644
--- a/syntax_checkers/perl6/perl6.vim
+++ b/syntax_checkers/perl6/perl6.vim
@@ -88,7 +88,7 @@ function! SyntaxCheckers_perl6_perl6_GetLocList() dict " {{{1
     return SyntasticMake({
         \ 'makeprg': makeprg,
         \ 'errorformat': errorformat,
-        \ 'env': { 'RAKUDO_EXCEPTIONS_HANDLER': 'JSON' },
+        \ 'env': { 'PERL6_EXCEPTIONS_HANDLER': 'JSON', 'RAKUDO_EXCEPTIONS_HANDLER': 'JSON' },
         \ 'defaults': { 'bufnr': bufnr(''), 'type': 'E' },
         \ 'returns': [0, 1],
         \ 'preprocess': 'perl6',