diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index 96290f90..0c52be89 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 = '3.6.0-23'
+let g:_SYNTASTIC_VERSION = '3.6.0-24'
 lockvar g:_SYNTASTIC_VERSION
 
 " Sanity checks {{{1
diff --git a/syntax_checkers/java/javac.vim b/syntax_checkers/java/javac.vim
index 1029fe02..4020079e 100644
--- a/syntax_checkers/java/javac.vim
+++ b/syntax_checkers/java/javac.vim
@@ -155,9 +155,9 @@ function! SyntaxCheckers_java_javac_GetLocList() dict " {{{1
 
     " unashamedly stolen from *errorformat-javac* (quickfix.txt) and modified to include error types
     let errorformat =
-        \ '%E%f:%l:\ error:\ %m,'.
-        \ '%W%f:%l:\ warning:\ %m,'.
-        \ '%A%f:%l:\ %m,'.
+        \ '%E%f:%l: error: %m,'.
+        \ '%W%f:%l: warning: %m,'.
+        \ '%A%f:%l: %m,'.
         \ '%+Z%p^,'.
         \ '%+C%.%#,'.
         \ '%-G%.%#'
diff --git a/syntax_checkers/json/jsonval.vim b/syntax_checkers/json/jsonval.vim
index 55858ca7..8aed331e 100644
--- a/syntax_checkers/json/jsonval.vim
+++ b/syntax_checkers/json/jsonval.vim
@@ -22,7 +22,7 @@ function! SyntaxCheckers_json_jsonval_GetLocList() dict
     let makeprg = self.makeprgBuild({})
 
     let errorformat =
-        \ '%E%f:\ %m\ at\ line\ %l,' .
+        \ '%E%f: %m at line %l,' .
         \ '%-G%.%#'
 
     return SyntasticMake({
diff --git a/syntax_checkers/nasm/nasm.vim b/syntax_checkers/nasm/nasm.vim
index 4262d285..a2a46e69 100644
--- a/syntax_checkers/nasm/nasm.vim
+++ b/syntax_checkers/nasm/nasm.vim
@@ -21,7 +21,7 @@ set cpo&vim
 function! SyntaxCheckers_nasm_nasm_GetLocList() dict
     let makeprg = self.makeprgBuild({
         \ 'args_after': '-X gnu -f elf' .
-        \       ' -I ' . syntastic#util#shescape(expand('%:p:h', 1) . '/') .
+        \       ' -I ' . syntastic#util#shescape(expand('%:p:h', 1) . syntastic#util#Slash()) .
         \       ' ' . syntastic#c#NullOutput() })
 
     let errorformat = '%f:%l: %t%*[^:]: %m'
diff --git a/syntax_checkers/slim/slimrb.vim b/syntax_checkers/slim/slimrb.vim
index 685efa55..57912ea4 100644
--- a/syntax_checkers/slim/slimrb.vim
+++ b/syntax_checkers/slim/slimrb.vim
@@ -28,14 +28,14 @@ function! SyntaxCheckers_slim_slimrb_GetLocList() dict
 
     if s:slimrb_new
         let errorformat =
-            \ '%C\ %#%f\, Line %l\, Column %c,'.
-            \ '%-G\ %.%#,'.
+            \ '%C %#%f\, Line %l\, Column %c,'.
+            \ '%-G %.%#,'.
             \ '%ESlim::Parser::SyntaxError: %m,'.
             \ '%+C%.%#'
     else
         let errorformat =
-            \ '%C\ %#%f\, Line %l,'.
-            \ '%-G\ %.%#,'.
+            \ '%C %#%f\, Line %l,'.
+            \ '%-G %.%#,'.
             \ '%ESlim::Parser::SyntaxError: %m,'.
             \ '%+C%.%#'
     endif