diff --git a/autoload/syntastic/log.vim b/autoload/syntastic/log.vim
index f3950bcc..517d2c2f 100644
--- a/autoload/syntastic/log.vim
+++ b/autoload/syntastic/log.vim
@@ -173,10 +173,17 @@ endfunction " }}}2
 
 " Utilities {{{1
 
-function! s:_log_timestamp() abort " {{{2
+function! s:_log_timestamp_smart() abort " {{{2
+    return printf('syntastic: %f: ', reltimefloat(reltime(g:_SYNTASTIC_START)))
+endfunction " }}}2
+
+function! s:_log_timestamp_dumb() abort " {{{2
     return 'syntastic: ' . split(reltimestr(reltime(g:_SYNTASTIC_START)))[0] . ': '
 endfunction " }}}2
 
+let s:_log_timestamp = function(has('float') && exists('*reltimefloat') ? 's:_log_timestamp_smart' : 's:_log_timestamp_dumb')
+lockvar s:_log_timestamp
+
 function! s:_format_variable(name) abort " {{{2
     let vals = []
     if exists('g:syntastic_' . a:name)
diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index c7dab555..6f5cac7c 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 = '3.7.0-83'
+let g:_SYNTASTIC_VERSION = '3.7.0-84'
 lockvar g:_SYNTASTIC_VERSION
 
 " Sanity checks {{{1