diff --git a/syntax_checkers/c.vim b/syntax_checkers/c.vim
index c7ffae14..1fc2fb28 100644
--- a/syntax_checkers/c.vim
+++ b/syntax_checkers/c.vim
@@ -81,8 +81,8 @@ endfunction
 
 function! SyntaxCheckers_c_GetLocList()
     let makeprg = 'gcc -fsyntax-only '.shellescape(expand('%'))
-    let errorformat = '%-G%f:%s:,%-G%f:%l: %#error: %#(Each undeclared '
-                \ 'identifier is reported only%.%#,%-G%f:%l: %#error: %#for '
+    let errorformat = '%-G%f:%s:,%-G%f:%l: %#error: %#(Each undeclared '.
+                \ 'identifier is reported only%.%#,%-G%f:%l: %#error: %#for '.
                 \ 'each function it appears%.%#,%f:%l: %trror: %m,%f:%l: %m'
 
     if expand('%') =~? '.h$'